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Pioneers in the industry, we offer poly resin marble powder (marblo xl d ) ( grade - super ), pure silica powder, snow white quartz silica powder, micronised silica (grade superfine - 325 mesh ), micronised silica (grade - 800 m)(pure white) and micron silica powder from India.
Poly Resin Marble Powder (Marblo XL D ) ( Grade - Super )
Product Price: Rs 25 / KgGet Best Price
Minimum Order Quantity: 25 Kg
Product Brochure
Product Details:
| Packaging Size | 50 KGS |
| State | Powdered |
| Pack Size | 50 KGS, HDPE Bag |
| Color | White |
| Grade Standard | Poly / Resin Statue & Marble Statues Application and Artificial Marble |
| Usage | POLY RESIN STATUE |
| Brand | ASTRRA |
| Physical State | POWDER |
| Country of Origin | Made in India |
Uses & Applications of Marble Powder (Marblo XL D) (Super) for Poly/Resin Statues, Marble Statues & Artificial Marble Applications
Marble Powder (Marblo XL D) (Super) is a high-purity, ultra-fine, micronized marble powder specifically designed for polyester resin statues, marble statues, and artificial marble applications. It offers excellent whiteness, smoothness, and compatibility with resin systems, making it a preferred filler material.
1. Poly/Resin Statue Manufacturing-
Enhances Strength & Durability: Improves mechanical properties of resin-based statues.
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Improves Surface Finish: Provides a smooth, glossy texture and fine details in sculptures.
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Reduces Shrinkage & Cracks: Ensures dimensional stability and prevents warping.
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Better Resin Compatibility: Optimized for use with polyester and epoxy resins for seamless bonding.
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Increases Hardness & Density: Replicates the look and feel of natural marble.
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Enhanced Carvability & Detailing: Allows for intricate designs and smooth finishes.
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UV & Weather Resistance: Helps statues withstand outdoor exposure.
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Lightweight Composition: Reduces weight while maintaining strength, making transportation easier.
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Gives a Natural Marble-Like Appearance: Mimics real marble texture and aesthetics.
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Improves Workability: Enhances moldability for casting countertops, tiles, and slabs.
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Enhances Shine & Gloss: Contributes to a polished and high-luster surface.
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Increases Durability & Impact Resistance: Reduces brittleness and enhances product lifespan.
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Heat & Stain Resistance: Ensures long-lasting quality in engineered stone applications.
✔ High Purity & Whiteness – Provides excellent brightness for premium-quality statues and artificial marble.
✔ Fine Particle Size – Ensures better dispersion, smooth texture, and improved casting properties.
✔ Reduced Porosity – Prevents air bubbles and enhances the finish of final products.
✔ Excellent Chemical Stability – Resists yellowing and degradation over time.
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Polyester Resin & Epoxy-Based Statues
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Artificial Marble Slabs, Tiles, and Countertops
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Decorative Moldings & Sculptures
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High-Quality Marble-Effect Furniture
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Interior & Exterior Architectural Elements
Additional Information:
- Production Capacity: 10000 TONS
- Delivery Time: WITHIN 3 DAYS
- Packaging Details: BRAND NEW HDPE BAGS
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Pure Silica Powder
Product Price: Rs 18.5 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Purity | 99% |
| Usage/Application | Construction Industry |
| Grade | FRP |
| Physical State | Powder |
| Pack Type | HDPE Bag |
| Molar Mass | 60.08 g/mol |
| Brand | Astrra Chemicals |
| Formula | SiO2 |
| Packaging Size | 25 kg |
| Pack Size | 50 Kg |
We have emerged as a prominent manufacturer, supplier, wholesaler and exporter of high quality Silica Powder ( Pure Fine ) highly suitable for FRP FIBREGLASS FILLER APPLICATION. Based in Chennai - Tamil Nadu - India
Pure Silica Powder (also known as precipitated silica, amorphous silica, or ground quartz powder, depending on the grade) plays a crucial role in FRP (Fiber-Reinforced Plastic) and composite applications due to its chemical inertness, high hardness, thermal stability, and reinforcing properties.
✅ Uses & Applications of Pure Silica Powder in FRP / Composite Industries🔩 1. Filler in FRP Composites-
Used as an inert filler in polyester, vinyl ester, and epoxy resin systems.
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Reduces resin content (cost-saving), while maintaining volume and dimensional stability.
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Enhances mechanical strength, abrasion resistance, and hardness of the composite.
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Helps control viscosity and improves surface finish of molded parts.
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Provides rigidity and compressive strength without compromising fiber orientation.
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Improves impact resistance and thermal expansion properties.
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Maintains part tolerances over temperature cycles.
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Especially in amorphous or fumed silica forms, it imparts thixotropic properties to resin systems.
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Prevents sagging or settling in vertical or complex molds.
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Ensures uniform dispersion of resins during lamination or molding.
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Commonly used in FRP mold/tooling boards, boat hulls, panels, and automotive parts.
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Enhances wear and thermal resistance in GRP (glass-reinforced plastic) tools.
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Ultra-fine grades of silica improve surface smoothness in gel coats or topcoats.
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Helps reduce shrinkage and pinholes in finished parts.
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While pure silica is not itself a flame retardant, it can support flame-retardant systems by:
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Acting as a heat sink.
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Forming protective barriers with other additives (like alumina trihydrate or phosphorus compounds).
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✅ Cost-effective filler
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✅ Chemically inert (non-reactive with resins)
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✅ Thermal and UV resistance
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✅ High hardness (Mohs ~7)
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✅ Improves mechanical and surface properties
| Property | Preferred Silica Type |
|---|---|
| Thixotropy | Fumed/hydrophilic silica |
| Cost-effective filler | Ground quartz/micronized silica |
| Surface finish | Ultra-fine precipitated silica |
| Flame synergy | Amorphous silica + FR agents |
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Snow White Quartz Silica Powder
Product Price: Rs 20.0 / KgGet Best Price
Minimum Order Quantity: 50 Kg
Product Brochure
Product Details:
| Packaging Size | 50 Kg/bag |
| Usage/Application | Industrial |
| Grade | 36 |
| State | Powdered |
| Packaging Type | HDPE Bag |
| Purity (%) | 99.9 |
| Brand | Astrra Chemicals |
| Country of Origin | Made in India |
| Formula | SiO2 |
Additional Information:
- Production Capacity: 100000
- Delivery Time: Immediate
- Packaging Details: 50 Kgs Brand New PP Bags
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Micronised Silica (Grade Superfine - 325 Mesh )
Product Price: Rs 23 / KgGet Best Price
Product Brochure
Product Details:
| Packaging Size | 50 kgs Bag |
| Grade Standard | Technical Grade |
| State/Form | Powder |
| Precipitation State | Micronised |
| Usage/Application | Industrial |
| Color | White |
| Physical State | Powder |
| Packaging Type | Brand New PP Bags |
| Country of Origin | Made in India |
Micronised Silica (Grade Superfine – 325 Mesh) is a high-purity, ultra-fine silica powder widely used in the FRP (Fibre Reinforced Plastic) and composite industry due to its superior physical and chemical properties. Below is a brief overview of its uses and applications:
�� Uses & Applications in FRP / Composite Industry-
Filler & Extender
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Acts as a cost-effective filler material to reduce resin consumption in FRP systems.
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Improves bulk volume without compromising strength.
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Improved Mechanical Properties
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Enhances tensile strength, impact resistance, and hardness of composite materials.
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Increases abrasion resistance in moulded parts.
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Surface Finish & Smoothness
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Provides smooth surface finish due to its fine particle size.
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Reduces shrinkage and improves the aesthetic appeal of moulded products.
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Thermal Stability
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Offers excellent thermal resistance, making it suitable for high-temperature applications.
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Chemical Resistance
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Increases the composite’s resistance to acids, alkalis, and solvents, ensuring longer service life.
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Thixotropic Agent
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Helps in controlling viscosity and flow characteristics during processing.
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Aids in anti-sagging properties in resin-rich laminates.
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Dimensional Stability
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Reduces warpage and improves dimensional control of FRP components.
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Compatibility
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Compatible with a wide range of resins: polyester, epoxy, vinyl ester, and phenolic systems.
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Pultrusion and filament winding
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Hand lay-up and spray-up moulding
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Sheet moulding compound (SMC) and bulk moulding compound (BMC)
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Automotive panels, tanks, pipes, and covers
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Electrical insulators and housing components
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Micronised Silica (Grade - 800 M)(Pure White)
Product Price: Rs 23 / KgGet Best Price
Product Brochure
Product Details:
| Packaging Size | 50 kg |
| Purity | 99% |
| Usage/Application | Construction Industry |
| Color | White |
| Country of Origin | Made in India |
Here’s a detailed overview of the Uses & Applications of Micronised Silica (Grade – 800 M, Pure White) across various industries:
⚪ What is Micronised Silica – Grade 800 M (Pure White)?Micronised Silica, also known as precipitated or natural amorphous silica, is a very fine, high-purity white powder. Grade 800 M typically refers to an ultra-fine particle size with high brightness and surface area, optimized for functional and aesthetic performance.
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Particle Size: Approx. 5–10 microns (D90) or finer
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Whiteness: > 96%
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Purity: > 99% SiO₂
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Oil Absorption: High
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pH: Neutral to slightly alkaline
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Matting agent: Reduces gloss while maintaining smooth texture.
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Rheology modifier: Improves thickening and anti-settling behavior.
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Enhances abrasion resistance, film strength, and water repellency.
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Acts as an extender pigment, replacing costly TiO₂ in white paints.
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Used in tile adhesives, grouts, plasters, and waterproofing compounds.
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Improves workability, smoothness, and anti-sag properties.
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Enhances durability and compressive strength in cementitious systems.
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Functions as a reinforcing filler in natural and synthetic rubber products.
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Improves tensile strength, tear resistance, and flexibility.
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Acts as an anti-blocking, anti-caking, and flow-aid agent in plastics and polymers.
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Provides smoothness and body to wood coatings and putties.
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Improves sandability and helps achieve a uniform finish.
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Used in CMP (Chemical Mechanical Polishing) slurries for silicon wafers.
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Acts as a gentle abrasive in precision polishing of optical components.
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Used in powders, foundations, and creams for oil absorption and texture enhancement.
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Improves skin feel, mattifying effect, and flowability.
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In some formulations, used as a flow aid or anti-caking agent.
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Provides mild abrasiveness in scouring powders and toothpaste.
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Enhances free-flowing properties in powdered detergents.
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High whiteness and purity
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Excellent oil absorption and surface area
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Chemically inert and non-toxic
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Compatible with solvent- and water-based systems
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Improves mechanical strength and weathering resistance
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HDPE or Kraft bags: 25 kg / 50 kg
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Jumbo bags: 1 MT (customizable)
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Moisture barrier inner liners available on request
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Pure Silica Powder
Product Price: Rs 20 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 kg |
| Purity | 99% |
| Form | Powder |
| Usage/Application | Construction Industry |
| Grade | Mycosil - 200M |
| Color | White |
| Mesh Size | 325 Mesh |
| Packaging Type | HDPE Bag |
| Brand | Astrra Chemicals |
| Country of Origin | Made in India |
Pure Silica Powder (also known as high-purity silicon dioxide (SiO₂) powder) is a fine, white, inert, and chemically stable material used across a wide range of industries. Derived from natural quartz or synthesized from chemical processes, it typically contains >99% silica, and is valued for its high thermal resistance, hardness, chemical inertness, insulating properties, and particle size uniformity.
✅ Uses & Applications of Pure Silica Powder (Various Industries) 🏗️ 1. Construction & Building Materials-
Used as a functional filler in cement, mortars, grouts, and self-leveling flooring.
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Enhances mechanical strength, abrasion resistance, and chemical durability.
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Reduces shrinkage, improves workability, and extends service life of concrete.
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Acts as a matting agent, thickener, and anti-settling agent.
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Improves scratch resistance, weatherability, and adhesion of paints and industrial coatings.
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Helps maintain viscosity and smooth finish in architectural and marine coatings.
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Used as a reinforcing filler in silicone rubber, thermoplastics, and composites.
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Improves stiffness, hardness, abrasion resistance, and dimensional stability.
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Reduces thermal expansion and increases thermal conductivity in high-performance plastics.
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Serves as a resin extender and filler in epoxy, polyester, and vinyl ester systems.
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Enhances mechanical strength, thermal resistance, and flow control.
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Commonly used in laminates, gelcoats, putties, and backfill pastes for FRP panels, tanks, and structures.
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Used in ceramics, insulating bricks, refractory castables, and molded shapes.
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Withstands high temperatures (>1600°C) and offers thermal shock resistance.
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Ideal for furnace linings, kiln furniture, and crucibles.
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Functions as an additive in core and mold making for casting.
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Provides dimensional stability, fine surface finish, and resistance to thermal deformation.
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In ultra-pure form, used in microelectronics, wafer production, and semiconductor fabrication.
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Acts as a dielectric insulator in microchips and a raw material for fused silica components.
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Used as a mild abrasive, oil absorber, or texturizer in toothpaste, face powders, and skincare products.
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Provides smooth texture, anti-caking, and matte finish.
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Serves as an inert carrier for pesticides, herbicides, and fertilizers.
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Aids in dry powder flow, prevents caking, and enhances dispersion in formulations.
Additional Information:
- Production Capacity: 10000 Kgs
- Delivery Time: 7 to 10 days
- Packaging Details: Brand New HDPE Bags
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Micron Silica Powder
Product Price: Rs 23 / KilogramGet Best Price
Product Brochure
Product Details:
| Packaging Size | 50 Kg/bag |
| Purity | 99% |
| Usage/Application | Plastics and Rubber Industry |
| Grade | Fume |
| Pack Type | HDPE Bag |
| Physical State | Powder |
| Color | White |
| Mesh Size | 600 Mesh |
| Grade Standard | Technical Grade |
| Brand | ASTRRA |
| Country of Origin | Made in India |
We are the leading manufactures, technical suppliers of White Silica Fume ( Microsilica ) in Chennai, Tamil Nadu,
Micronised Silica (Grade – 800 M), It is a highly reactive and fine-grained material consisting of amorphous silicon dioxide particles. While Micronised Silica (Grade – 800 M) finds extensive use in various construction applications, its utilization in FRP (Fiber Reinforced Polymer) and composite applications is also very effective and can enhance the performance of FRP composites.
Here are some applications and uses of Micronised Silica (Grade – 800 M) in FRP/Composite Applications:
Matrix Modification: Micronised Silica (Grade – 800 M) can be added to the polymer matrix, such as epoxy or polyester resin, to modify its properties. It improves the flowability and workability of the resin, allowing better wetting and impregnation of the fibers. This leads to improved fiber-matrix adhesion and mechanical properties of the composite.
Increased Mechanical Strength: Incorporating Micronised Silica (Grade – 800 M) into the FRP composite can enhance its mechanical strength. The Micronised Silica (Grade – 800 M) particles act as filler material, reinforcing the polymer matrix. This results in improved tensile, flexural, and compressive strength of the composite.
Reduced Shrinkage and Curing Time: Micronised Silica (Grade – 800 M) has a high surface area, which facilitates water retention in the composite matrix during curing. This helps to reduce shrinkage and prevent cracking. Additionally, Micronised Silica (Grade – 800 M) promotes the reaction between the resin and curing agents, accelerating the curing process and reducing the overall curing time.
Improved Thermal and Chemical Resistance: Micronised Silica (Grade – 800 M) enhances the thermal stability and chemical resistance of FRP composites. It acts as a barrier, reducing the permeability of the matrix to water, gases, and chemicals. This property is particularly advantageous in applications where the composite is exposed to harsh environmental conditions or corrosive substances.
Decreased Coefficient of Thermal Expansion: The addition of Micronised Silica (Grade – 800 M) to the polymer matrix can reduce the coefficient of thermal expansion of the FRP composite. This property is desirable when dimensional stability is crucial, as it helps minimize the risk of deformation or warping due to temperature variations.
It's worth noting that the use of Micronised Silica (Grade – 800 M) in FRP/Composite applications may vary depending on the specific requirements, composite system, and desired performance characteristics. Proper material selection, formulation, and testing are essential to ensure compatibility and achieve the desired results.
Additional Information:
- Production Capacity: 100000
- Delivery Time: Immediate
- Packaging Details: 50 KGS HDPE WITH FOOD GRADE INNER LINNER
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Silica Sand Powder Sio2 99.5% ( Grade - 60 / 120 M )
Product Price: Rs 20 / KgGet Best Price
Product Brochure
Product Details:
| Usage/Application | Construction |
| Silica Content | 99% |
| Color | Grey |
| Packaging detail | 50 Kg Bag |
| Form | Powder |
Pure Silica Grits 60/120 refer to crystalline silica particles (typically quartz) that are graded to sizes between 60 mesh (approx. 250 microns) and 120 mesh (approx. 125 microns). This medium-fine grit size is widely used in various industrial processes due to its hardness, chemical purity, and thermal stability.
✅ Uses & Applications of Pure Silica Grits (60/120 mesh) �� 1. Surface Preparation & Sandblasting-
Ideal for abrasive blasting to clean metal, stone, or concrete surfaces.
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Removes rust, old paint, scale, and coatings efficiently.
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Prepares surfaces for coating or painting (especially in marine or construction industries).
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Added to epoxy flooring systems and grouts for anti-slip properties.
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Used in terrazzo flooring and decorative concrete as an aggregate.
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Fills gaps and voids in cementitious materials, enhancing durability.
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Used as a raw material in glass melting due to its high SiO₂ content.
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Helps improve thermal resistance and optical clarity in specialty glass.
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Functions as a fluxing agent and filler in ceramic bodies and glazes.
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Used in manufacturing refractory bricks and linings for furnaces due to its high melting point and thermal shock resistance.
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Used in core and mold making for precision castings.
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Maintains dimensional accuracy and withstands high temperatures in metal casting.
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Sometimes used in frac sand blends (if meeting purity and strength specs).
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Helps prop open fractures in shale to allow gas/oil flow.
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Utilized in water and wastewater filtration systems.
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Acts as a multi-layered filter bed component due to its consistent particle size and chemical inertness.
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Used in grinding, polishing, and lapping of stone, metal, or glass surfaces.
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Suitable for vibratory finishing or tumbling operations.
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Acts as a functional filler to improve durability, abrasion resistance, and film hardness.
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Improves anti-skid properties in floor and road coatings.
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Medium-fine grit ideal for balanced abrasion and surface smoothness.
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High purity (typically >99% SiO₂) ensures chemical inertness.
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High Mohs hardness (~7) for long-lasting performance.
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Thermal stability and non-reactivity in harsh environments.
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Aluminium Trihydrate Hydroxide Ath Hydrate In Chennai
Product Price: Rs 72 / KgGet Best Price
Minimum Order Quantity: 50 Kg
Product Brochure
Product Details:
| Brand | Astrra Chemicals |
| Packaging Size | 50 kg/bag |
| Packaging Type | HDPE Bag |
| Physical State | Powder |
| Chemical Formula | Al(OH)3 |
| Molar mass | 78 g/mol |
Typical Cemical Analysis:
Chemical Propertie | Typical Limits (%) – ATH - 325 |
Free Moisture at 110 deg.C` | 0. 03 – 0. 50 |
L.O.I. I is determined at 1050 deg.C | 34 . 50 – 35. 00 |
SiO2 | 0. 014 – 0. 020 |
Fe2O3 | 0. 013 – 0. 020 |
TiO2 | 0. 004 – 0. 007 |
Al2O3 | 64. 00 – 65. 00 |
Na2O (Total) | 0. 28 – 0. 35 |
AL (OH)3 | 98. 50 – 99. 80 |
Physical Propertie:
Physical Properties | ATH – 325 percent |
On + 100 ( 149 Microns) | - |
On + 200 ( 75 Microns) | - |
On + 325 ( 45 Microns) | 5 Max. |
Through – 325 ( 45 Microns) | 95 |
Bulk Density ( gm/cc) | 0. 85 – 1. 04 |
Oil absorption (ml/100g) | 25 - 28 |
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Fumed Silica ( Aerosil / Erosil NV/ 200 ) (A Grade)
Product Price: Rs 142 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 10 kg |
| Country of Origin | Made in India |
Fumed Silica (Aerosil / Erosil NV/200, A-Grade) It is widely used in the FRP (Fiber-Reinforced Plastic) and composite industry, particularly for improving the performance and processing of resins in advanced composite applications.
✅ Uses & Applications of Fumed Silica (Aerosil / Erosil NV/200) in the FRP/Composite Industry �� 1. Thixotropic Agent for Resin Systems-
Enhances viscosity of epoxy, polyester, and vinyl ester resins, allowing for better control over the flow properties.
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Acts as a thickening agent for molding, casting, and laminating processes in FRP manufacturing.
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Provides non-sagging, non-dripping properties to the resin, especially for vertical surfaces or intricate molds.
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Used in gelcoats to improve surface smoothness, thickness control, and scratch resistance.
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Enhances the weathering resistance of composite parts, making them suitable for applications exposed to harsh UV conditions.
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Helps improve surface gloss and durability, particularly in marine, automotive, and architectural coatings.
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Added to composite resins to reinforce mechanical properties, including flexural strength, impact resistance, and abrasion resistance.
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Improves the dimensional stability of FRP parts, ensuring greater longevity and reliability in high-performance applications.
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Often used in structural components such as panels, bumpers, boat hulls, and aerospace parts to enhance overall durability.
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In resin transfer molding (RTM) and resin infusion systems, fumed silica NV/200 provides superior viscosity control during the resin impregnation of fibers.
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Ensures uniform distribution of resin throughout the fiber mat, preventing issues like resin starvation or air pockets.
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Improves wet-out and ensures that the resin penetration is consistent across all layers, particularly in thick laminates.
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Used in composite coatings to achieve high thixotropy, preventing sagging or dripping on vertical and complex surfaces.
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Helps create thicker layers of coatings that are uniform and easy to apply.
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In high-performance coatings (such as those used in aerospace and marine applications), it improves scratch resistance, adhesion, and abrasion resistance.
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Due to its nano-particle structure, fumed silica NV/200 can improve the thermal stability of resin systems, making them suitable for high-temperature applications.
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Often used in insulating compounds and potting materials for electrical components and electronic systems due to its dielectric properties.
Additional Information:
- Production Capacity: 100000
- Delivery Time: Immediate
- Packaging Details: Brand New PP Bags
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Natural Pure Heavy Calcium Carbonate
Product Price: Rs 20 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 kg |
| Grade | Industrial Grade |
| Type | Ground Calcium Carbonate (GCC) |
| Purity/Concentration | 99% |
| Usage/Application | Plastic Industry |
| Country of Origin | Made in India |
🌟 CALCIUM CARBONATE HEAVY (PURE) 🌟
Premium Mineral for Industrial Performance
Applications:
✔ Rubber – improves tensile strength & durability of tyres and products
✔ Construction – enhances strength & workability in mortar & concrete
✔ Ceramics – boosts density, whiteness & surface finish
✔ Agriculture – soil conditioner & pH regulator for better crop yield
Why Choose Us?
🔹 High Purity – Consistent Quality
🔹 Excellent Dispersion & Particle Size
🔹 Reliable Supply – Competitive Pricing
📦 Available in Bulk & Custom Packaging
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MICRO PUTTY POWDER (GRADE - 500M)
Product Price: Rs 19.50 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 Kgs |
| Brand | ASTRRA BRAND |
| Coverage Area | TOTAL SURFACE |
| Usage/Application | Construction |
| GRADE | 500MESH |
Micro Putty Powder (Grade - 500M) is a fine-grade mineral powder used primarily as a filler and extender in various industrial and construction applications. Its fine particle size (500 mesh) allows it to provide smooth finishes and improve surface properties.
Here’s a brief overview of the uses and applications of Micro Putty Powder (Grade - 500M):
1. Paints and Coatings
Purpose: Filler and texture enhancer.
Applications:
Used as a filler to improve paint opacity, smoothness, and adhesion.
Helps control viscosity and reduce production costs by replacing more expensive raw materials.
Enhances durability and weather resistance of coatings.
2. Construction and Wall Putty
Purpose: Surface leveling and finishing.
Applications:
Used in wall putty formulations to provide a fine, smooth surface before painting.
Helps fill minor cracks and imperfections in plastered walls.
Improves adhesion and workability of putty products.
3. Plastics and Polymers
Purpose: Filler and reinforcement.
Applications:
Incorporated as a filler in plastics, rubber, and polymer composites to improve strength and reduce shrinkage.
Enhances surface finish and reduces material costs.
4. Paper Industry
Purpose: Coating and filling agent.
Applications:
Used as a filler in paper coatings to improve brightness, smoothness, and printability.
Enhances paper quality and reduces ink absorption.
5. Adhesives and Sealants
Purpose: Viscosity control and filler.
Applications:
Used to control viscosity and improve texture in adhesive formulations.
Provides bulk and enhances mechanical properties.
6. Ceramics and Refractories
Purpose: Filler and binder.
Applications:
Used in ceramic formulations to improve smoothness and reduce defects.
Helps control thermal expansion and firing behavior.
Key Features of Micro Putty Powder (Grade - 500M):
Very fine particle size (~500 mesh) ensures smooth texture.
High whiteness and chemical stability.
Enhances mechanical properties and surface finish.
Cost-effective extender and filler.
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Magnesium Aluminium Silicate In Chennai
Product Price: Rs 19 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 KGS |
| Packaging Type | HDPE BAGS |
| Brand | Astrra Chemicals |
| Purity | 95% |
| Grade | A1 |
| Density | 1,9 - 2,1 g/cm3 |
| Usage/Application | Industrial |
| PH | 13 |
Uses & Applications of Magnesium Aluminium Silicate in Various Industries
Magnesium Aluminium Silicate is a naturally occurring mineral compound widely used as a thickening, suspending, emulsifying, and stabilizing agent in various industries. It is known for its high viscosity, excellent binding properties, and ability to improve product stability.
1. Pharmaceuticals & Cosmetics- Used as a thickening agent in creams, lotions, and gels.
- Improves suspension stability in liquid medications and topical formulations.
- Acts as a stabilizer in toothpaste, preventing ingredient separation.
- Used in anti-diarrheal drugs due to its adsorbent properties.
- Provides smooth texture in face masks, foundations, and skincare products.
- Works as a natural emulsifier in creams and ointments.
- Enhances oil absorption in mattifying cosmetics and powders.
- Functions as a thickener and stabilizer in sauces, dressings, and dairy products.
- Prevents ingredient separation in beverages and food emulsions.
- Used in clarification of fruit juices and food-grade suspensions.
- Acts as a suspending agent in detergents and cleaning products.
- Used in ceramics and construction materials for improved durability.
- Serves as a binding agent in paints and coatings for better adhesion.
- Used in veterinary formulations to improve drug delivery.
- Acts as a flow aid in animal feed additives.
- Helps in soil conditioning for enhanced crop growth.
- Magnesium Aluminium Silicate applications
- Thickening agent for cosmetics and skincare
- Pharmaceutical uses of Magnesium Aluminium Silicate
- Natural emulsifier in personal care products
- Magnesium Aluminium Silicate in food industry
- Stabilizer for liquid formulations
- Suspending agent for pharmaceuticals
- Uses of Magnesium Aluminium Silicate in industrial applications
- Soil conditioner and feed additive benefits
- Eco-friendly stabilizer for paints and coatings
Additional Information:
- Production Capacity: 50000
- Delivery Time: 7 DAYS
- Packaging Details: 50 KGS HDPE BAGS WITH INNER LINNER
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FRENCH CHALK / PUTTY POWDER (GRADE A2)
Product Price: Rs 11.50 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 kg |
| Packaging Type | Brand New PP Bags |
| State | Powdered |
| Color | White |
| Country of Origin | Made in India |
French Chalk / Putty Powder (Grade A2) is a finely ground, high-purity form of natural talc (hydrated magnesium silicate). Known for its smoothness, whiteness, softness, and chemical inertness, it is widely used across multiple industries for its functional and aesthetic properties.
Here’s a brief summary of the uses and applications of French Chalk / Putty Powder (Grade A2):
1. Paints and Coatings-
Purpose: Extender and filler.
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Applications:
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Enhances smoothness, opacity, and suspension in paints.
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Provides matte finish and anti-settling properties in decorative and industrial coatings.
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Purpose: Filler and levelling agent.
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Applications:
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Used in wall putty formulations to provide a smooth finish and easy spreadability.
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Improves crack resistance and surface whiteness in wall coatings.
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Purpose: Reinforcing filler.
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Applications:
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Enhances mechanical strength, mold release, and processability in rubber and plastic compounds.
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Acts as an anti-blocking and anti-caking agent in films and sheets.
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Purpose: Flux and filler.
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Applications:
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Used in ceramic bodies for whiteness, smooth surface, and thermal shock resistance.
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Reduces firing temperatures and improves workability.
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Purpose: Coating pigment and filler.
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Applications:
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Increases opacity, brightness, and printability of paper and board products.
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Purpose: Absorbent and texturizer.
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Applications:
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Used in face powders, body talcs, and soaps for smooth feel and oil/moisture absorption.
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Purpose: Lubricant and anti-tack agent.
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Applications:
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Applied as a dry lubricant on yarns and threads to reduce friction.
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Prevents sticking and tangling during textile processing.
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Purpose: Excipient and anti-caking agent.
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Applications:
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Used as a glidant and carrier in tablet production and topical powders.
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Purpose: Coating component.
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Applications:
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Acts as a moisture-resistant and thermal insulating filler in flux coatings for welding rods.
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Purpose: Mild abrasive.
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Applications:
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Used in metal polishing, cleaning powders, and furniture polish formulations for a smooth buffing action.
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Key Features of Grade A2 French Chalk / Putty Powder:
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High purity and fine particle size.
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Excellent whiteness and smooth texture.
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Chemically inert, non-toxic, and non-reactive.
Additional Information:
- Production Capacity: 100000
- Delivery Time: IMMEDIATE
- Packaging Details: BRAND NEW PP BAGS
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French Chalk Powder ( Grade - A 2) In Chennai
Product Price: Rs 11.5 / KgGet Best Price
Minimum Order Quantity: 50 Kg
Product Brochure
Product Details:
| Packaging Size | 50 kgs |
| Packaging Type | 50 kgs |
| State | Powdered |
| Grade | A2 |
| Color | WHITE |
| Brand | ASTRRA |
| Country of Origin | Made in India |
We are the leading manufactures, exporters,technical developers and suppliers French Chalk Powder in Chennai, Tamil Nadu,
Uses & Applications of French Chalk / Putty Powder (Grade - A2) for FRP / Composite / Resin & Various Applications
French Chalk, also known as Talcum Powder or Putty Powder, is a naturally occurring form of hydrated magnesium silicate. When processed to Grade A2 quality, it finds wide applications due to its fine particle size, high whiteness, smooth texture, and inert chemical properties.
Key Applications: 1. FRP (Fibre Reinforced Plastics):-
Filler and Extender: Enhances mechanical strength, thermal resistance, and dimensional stability of FRP components.
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Surface Finish: Improves smoothness and reduces shrinkage during molding.
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Weight Reduction: Acts as a lightweight filler to lower overall component density.
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Matrix Reinforcement: Blended with polyester, epoxy, or vinyl ester resins for improved structural integrity.
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Cost Efficiency: Reduces consumption of expensive resins without compromising properties.
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Surface Properties: Enhances gloss, polish, and workability of finished composites.
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Viscosity Control: Acts as a thixotropic agent in resins, improving workability and application.
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Anti-Sagging Agent: Prevents sag in vertical resin applications.
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Improved Dispersion: Provides uniform texture and minimizes cracking in cast and molded parts.
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Works as a pigment extender and provides a matte finish.
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Enhances scrub resistance and anti-settling properties.
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Acts as a bulk filler in wall putties and automotive body fillers.
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Increases smoothness and easy sanding properties.
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Improves processability, tensile strength, and heat resistance.
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Acts as a flux and improves surface glaze properties.
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High Purity
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Whiteness >90%
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Fine Particle Size (typically <25 microns)
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Oil Absorption & Softness
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Inert to most chemicals
Additional Information:
- Production Capacity: 10000 TONS
- Delivery Time: 2- 3 DAYS
- Packaging Details: BRAND NEW HDPE BAGS
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French Chalk / Putty Powder (Grade - A2)
Product Price: Rs 14.50 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Brochure
Product Details:
| Packaging Size | 50 kg |
| Packaging Type | Brand New PP Bags |
| State | Powdered |
| Color | White |
| Country of Origin | Made in India |
French Chalk, also known as Putty Powder or Talc, is a soft, white to off-white magnesium silicate mineral (Mg₃Si₄O₁₀(OH)₂), known for its smoothness, chemical inertness, and moisture resistance. Grade A2 is a refined grade, offering good whiteness, fine particle size, and consistent performance in industrial and decorative applications.
Whiteness: Typically above 85%
Oil Absorption: Moderate to high
Particle Size: Fine, micronized
Softness: 1 on Mohs hardness scale
Structure: Lamellar, platy particles
�� Uses & Applications of French Chalk / Putty Powder (Grade A2) �� 1. Paints, Primers & Putties
Acts as a filler and extender pigment in:
Wall putty
Distempers
Primers
Improves smoothness, spreadability, and opacity.
Enhances adhesion and reduces cracking in wall finishes.
Provides a matte texture and helps reduce the cost of formulations.
�� 2. Polishing Compounds & Metal Finishing
Used in metal polishing cakes and powders.
Acts as a gentle abrasive to produce a fine finish on metals.
Widely used in jewelry cleaning, automotive polishing, and hardware finishing.
�� 3. Rubber, Textile & Leather Industry
Serves as a lubricant and anti-stick agent in rubber processing.
Applied as a release agent in latex gloves and molded rubber goods.
In textiles, used for finishing and stiffening fabric.
Prevents leather surfaces from sticking or cracking.
�� 4. Construction & Building Materials
Commonly used in interior wall putty and tile adhesives.
Enhances smooth troweling, finish, and workability.
Fills micro-cracks and levels out surface imperfections before painting.
�� 5. Cosmetics & Personal Care
Used in body powders, face powders, and soaps for smooth feel and moisture absorption.
Inert and skin-safe, making it suitable for personal care use.
�� 6. Wood Finishes & Furniture Polish
Blended in wood polish pastes to enhance the sheen and feel of furniture.
Used to fill grain in open-pore woods before painting or varnishing.
⚙️ 7. Plastic & Polymer Industry
Acts as a filler and reinforcing agent in thermoplastics.
Enhances mould flow, heat resistance, and surface finish in plastic components.
✅ Benefits of French Chalk / Putty Powder (Grade A2):
High purity and whiteness
Soft, smooth texture
Chemically inert and non-reactive
Excellent dispersion in aqueous and solvent systems
Cost-effective filler and performance improver
�� Packaging Options:
25 kg / 50 kg HDPE woven sacks
Additional Information:
- Production Capacity: 100000
- Delivery Time: Immediate
- Packaging Details: Brand New PP Bags
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Polyvinyl Alcohol Pva Liquid For Textile Use
Product Price: Rs 190 / KgGet Best Price
Minimum Order Quantity: 10 Kg
Product Details:
| Physical State | Liquid |
| Grade Standard | Industrial Grade |
| Degree of Hydrolysis | Fully Hydrolyze |
| Packaging Details | 1 litre Bottle |
| Brand | Astrra Chemicals |
| Packaging Size | 25-50 kg/bag |
| Packaging Type | Drum |
| Purity % | 99.9% |
| Usage/Application | Emulsion Stabilizer |
| Country of Origin | Made in India |
| Formula | (C2H3Cl)n |
PVA SOLUTION ( MOULD RELEASING AGENT )
We are the leading manufactures, exporters,technical developers and suppliers of PVA SOLUTION ( MOULD RELEASING AGENT ) in Chennai, Tamil Nadu,
Polyvinyl Alcohol (PVA) Liquid – Mould Releasing Agent is a water-based, film-forming polymer solution widely used in composite molding and casting industries as a release agent. It forms a thin, flexible barrier between the mold surface and the molded part, allowing clean separation without damaging the surface or mold. PVA liquid is especially useful in fiber-reinforced plastic (FRP) and polyester/epoxy resin applications.
✅ Uses & Applications of Polyvinyl Alcohol (PVA) Liquid – Mould Releasing Agent �� 1. FRP / Composite Molding
Used as a release film when working with polyester, vinyl ester, or epoxy resins.
Applied on molds made of metal, wood, plaster, or fiberglass to prevent sticking.
Enables smooth release of molded parts such as:
Boat hulls
Automotive panels
Bathtubs and tanks
Composite sheets and panels
�� 2. Silicone & Urethane Casting
Serves as a temporary mold barrier when casting silicone, polyurethane, or plaster.
Useful for applications involving molds with fine details or complex shapes.
�� 3. Thermoset Resin Molding
Ideal for use in closed-mold systems and compression molding where heat curing of resins is involved.
Prevents sticking and surface defects on molded thermoset parts.
�� 4. Release Agent in Latex and Rubber Processing
Used for glove molds, balloon molds, and foam casting.
Forms a non-toxic, water-soluble film that peels off after the molding process.
�� 5. Soap and Candle Molding
Acts as a barrier layer between soap/candle material and molds.
Facilitates easy release without damaging detailed mold textures.
��️ 6. Concrete & Plaster Casting
Used in decorative concrete moldings, architectural precast elements, and art casting.
Prevents bonding of concrete or plaster to reusable molds.
�� How PVA Liquid Is Used
Applied by brush, spray, or sponge to clean, sealed mold surface.
Forms a thin, flexible, water-soluble film upon drying (usually within 15–30 minutes).
Parts can be easily demolded after curing/resin setting.
Residual PVA can be washed off with warm water after demolding.
�� Key Properties of PVA Liquid (Mould Release Grade)
Water-based & eco-friendly
Non-toxic & non-flammable
Leaves no residue on final part (if properly washed)
Compatible with most thermoset resins
Film thickness: ~5–10 microns
Soluble in warm water
Additional Information:
- Item Code: PVA
- Production Capacity: 10000
- Delivery Time: Immediate
- Packaging Details: Brand New PVC Cans / Barrels
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French Chalk / Putty Powder (Grade - A1)
Product Price: Rs 14.5 / KgGet Best Price
Minimum Order Quantity: 100 Kg
Product Details:
| Packaging Size | 50 kg |
| Packaging Type | Brand New PP bags |
| State | Powdered |
| Color | White |
| Country of Origin | Made in India |
French Chalk / Putty Powder (Grade - A1) is a natural, fine white mineral powder primarily composed of talc or similar soft minerals. It is widely used as a filler, extender, and lubricant in various industries due to its fine particle size, softness, and inertness.
Here’s a brief overview of the uses and applications of French Chalk / Putty Powder (Grade - A1):
1. Paints and Coatings-
Purpose: Filler and extender.
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Applications:
-
Used as a filler to improve paint opacity, smoothness, and texture.
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Enhances paint spreadability and reduces cracking.
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Acts as a matting agent in some coatings.
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Purpose: Filler and processing aid.
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Applications:
-
Incorporated into rubber and plastic compounds to improve smoothness and processability.
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Reduces friction between processing equipment and material.
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Improves surface finish and mechanical properties.
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Purpose: Filler and coating agent.
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Applications:
-
Used as a filler to improve brightness, smoothness, and opacity in paper production.
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Enhances printability and surface properties.
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Purpose: Absorbent and texture enhancer.
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Applications:
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Used in face powders, talcum powders, and other cosmetic products for smooth texture and oil absorption.
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Provides a silky feel and reduces skin irritation.
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Purpose: Filler and additive.
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Applications:
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Used to improve workability and texture in ceramic bodies and molds.
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Helps reduce shrinkage and cracking during firing.
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Purpose: Filler and texture improver.
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Applications:
-
Incorporated into wall putty formulations to enhance smoothness and adhesion.
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Provides a fine finish on plastered surfaces before painting.
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Fine particle size and soft texture.
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Chemically inert and stable.
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Good lubricating properties.
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Enhances surface finish and mechanical properties.
Additional Information:
- Production Capacity: 100000
- Delivery Time: Immediate
- Packaging Details: Brand New PP Bags
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Micronized Soapstone Talc Powder ( 500M )
Product Price: Rs 19 / KgGet Best Price
Minimum Order Quantity: 50 Kg
Product Brochure
Product Details:
| Packaging Size | 50 Kgs |
| Packaging Type | HDPE Bag |
| Mesh | 500m |
| Applications | FRP Moulding |
| Brand | Astrra Chemicals |
| Usage/Application | Industrial |
Features:
- Purity
- Moisture resistant
- Longer shelf life
Certificate of analysis:
|
Contents |
|
Min. % |
Max. % |
|
Silica |
sio2 |
56. 00% |
58. 00% |
|
Alumina |
al2o3 |
- |
00. 25% |
|
Ferric oxide |
fe2o3 |
- |
00. 75% |
|
Calcium oxide |
cao |
- |
04. 00% |
|
Magnesium oxide |
mgo |
28. 00% |
30. 00% |
|
Loss on ignition |
|
07. 00% |
08. 00% |
|
Specific gravity |
|
02. 95% |
- |
|
PH of 5% slurry |
|
08. 00% |
08. 50 |
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Fumed Silica (Grade AC 200) ( Gelcoat / Thixotrophic Agent )
Product Price: Rs 625 / KgGet Best Price
Minimum Order Quantity: 10 Kg
Product Brochure
Product Details:
| Purity % | 99% |
| Country of Origin | Made in India |
Fumed Silica (Grade AC 200) is a highly specialized type of silica used primarily in FRP (Fiber-Reinforced Plastics) and composite applications as a thixotropic agent and gelcoat modifier.
✅ Uses & Applications of Fumed Silica (Grade AC 200) in FRP/Composite Industry 🧴 1. Thixotropy Control in Resin Systems-
Thixotropic agent in epoxy, polyester, and vinyl ester resins used in composite manufacturing.
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Improves the rheology of resin formulations, making them non-sagging and easy to handle in vertical and complex molds.
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Prevents resin dripping or sagging on inclined surfaces or intricate molds during the curing process.
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Ensures easy application and maintains uniform viscosity under varying conditions.
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Used in gelcoat formulations for FRP products like boats, tanks, and outdoor components.
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Improves surface smoothness, thickness control, and scratch resistance in gelcoats.
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Enhances durability and weathering properties in composites exposed to UV light and harsh environmental conditions.
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When added to resin infusion systems, fumed silica (AC 200) helps create a consistent flow for wetting the fibers.
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Provides viscosity control to maintain the correct resin penetration rate without excess material wastage.
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Ensures that the fibers in composite layers are uniformly impregnated with resin.
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Helps in controlling the viscosity during the molding process, especially in high-performance composites used in aerospace, automotive, and marine industries.
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Ensures that resin systems maintain the ideal flow properties for optimal fiber impregnation and component strength.
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Fumed silica in resin systems can improve the mechanical properties of FRP components such as flexural strength, impact resistance, and dimensional stability.
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Helps produce stronger, stiffer composites with enhanced load-bearing capacity.
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Due to its high thermal stability, fumed silica (Grade AC 200) is used in high-temperature applications such as automotive exhaust systems, industrial machinery, and high-performance coatings.
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Offers protection against heat degradation in FRP systems exposed to elevated temperatures.
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Used in vertical molding applications to prevent resin sagging or dripping, especially in complex and large-scale molds.
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Particularly beneficial in the production of FRP tanks, pipes, and other vertical structures where resin management is critical.
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Commonly used in the marine industry for boat hulls, decks, and swimming pools to enhance surface durability and appearance.
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In automotive composites, it ensures easy molding and uniform texture for parts like bumpers, fenders, and structural panels.
Additional Information:
- Production Capacity: 10000
- Delivery Time: IMMEDIATE
- Packaging Details: BRAND NEW PP BAGS
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Fumed Silica ( Grade - EROSIL - NV/200 XL 5M )
Product Price: Rs 245 / KgGet Best Price
Minimum Order Quantity: 10 Kg
Product Details:
| Country of Origin | Made in India |
✔ Improves Thixotropy✔ Enhances Strength & Stability✔ Excellent Anti-Sag & Thickening Agent✔ Ideal for Resins, Gelcoats & Composites
Additional Information:
- Production Capacity: 100000
- Delivery Time: IMMEDIATE
- Packaging Details: BRAND NEW PP BAGS
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Quartz Silica Grits In Chennai
Product Price: Rs 20 / KgGet Best Price
Minimum Order Quantity: 50 Kg
Product Brochure
Product Details:
| Grade | 36 GRIT |
| State | Crystal |
| Packaging Type | HDPE BAGS |
| Usage/Application | INDUSTRIAL APPLICATION |
| Brand | Astrra Chemicals |
| Color | White |
| Form | Powder |
| Packaging Size | 25 kg/bag |
For improved durability and structural integrity, whole grain silica is used in flooring, mortars, specialty cement, roofing shingles, asphalt mixtures, skid-resistant surfaces and in other industrial materials
Product Details:
SiO2 | 99. 5% |
Al2O3 | 0. 08% |
TiO2 | 0. 04% |
CaO | 0. 01% |
MgO | 0. 01% |
L.O.I. | 0. 28% |
Alkalies | 0. 29% |
Fe2O3 | 0. 04% |
Additional Information:
- Production Capacity: 10000 KGS
- Delivery Time: 2 TO 3 DAYS
- Packaging Details: 50 KGS HDPE BAGS
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