Concrete Additives

Product Details:

Natural White Silica Sand

We have emerged as a prominent manufacturer, supplier, wholesaler and exporter of high quality Natural White Silica Sand at Chennai, Tamil Nadu, India.

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.

• Removes rust, old paint, scale, and coatings efficiently.

• Prepares surfaces for coating or painting (especially in marine or construction industries).

🏗️ 2. Construction & Building Materials

• Added to epoxy flooring systems and grouts for anti-slip properties.

• Used in terrazzo flooring and decorative concrete as an aggregate.

• Fills gaps and voids in cementitious materials, enhancing durability.

🪵 3. Glass Manufacturing

• Used as a raw material in glass melting due to its high SiO₂ content.

• Helps improve thermal resistance and optical clarity in specialty glass.

🔬 4. Ceramics & Refractories

• Functions as a fluxing agent and filler in ceramic bodies and glazes.

• Used in manufacturing refractory bricks and linings for furnaces due to its high melting point and thermal shock resistance.

🏭 5. Foundry Industry

• Used in core and mold making for precision castings.

• Maintains dimensional accuracy and withstands high temperatures in metal casting.

🌡️ 6. Oil & Gas / Hydraulic Fracturing

• Sometimes used in frac sand blends (if meeting purity and strength specs).

• Helps prop open fractures in shale to allow gas/oil flow.

🌱 7. Filtration Media

• Utilized in water and wastewater filtration systems.

• Acts as a multi-layered filter bed component due to its consistent particle size and chemical inertness.

🔧 8. Industrial Abrasives

• Used in grinding, polishing, and lapping of stone, metal, or glass surfaces.

• Suitable for vibratory finishing or tumbling operations.

🖌️ 9. Paints & Coatings

• Acts as a functional filler to improve durability, abrasion resistance, and film hardness.

• Improves anti-skid properties in floor and road coatings.

🌟 Key Benefits of 60/120 Mesh Silica Grit

• Medium-fine grit ideal for balanced abrasion and surface smoothness.

• High purity (typically >99% SiO₂) ensures chemical inertness.

• High Mohs hardness (~7) for long-lasting performance.

• Thermal stability and non-reactivity in harsh environments.

Additional Information:

• Production Capacity: 10000 PER DAY
• Delivery Time: WITHIN 7 TO 10 DAYS
• Packaging Details: BRAND NEW HDPE BAGS WITH INNER FOOD GRADE LINNER

Product Details:

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.

Product Details:

Viscosity Modifier Agent (also known as viscosity improvers or rheology modifiers) are additives used to control and adjust the flow properties of liquids, suspensions, or gels. They help maintain desired consistency, stability, and performance in a wide range of industries.

Here’s a brief overview of the uses and applications of Viscosity Modifier Agents:

1. Paints and Coatings

• Purpose: Control flow and improve application.

• Applications:

  • Adjusts viscosity to prevent sagging or dripping during application.

  • Enhances brushability, sprayability, and leveling.

  • Maintains stability by preventing pigment settling.

2. Cosmetics and Personal Care

• Purpose: Texture and stability enhancement.

• Applications:

  • Used in creams, lotions, shampoos, and gels to achieve smooth, desirable texture.

  • Controls thickness to improve spreadability and absorption.

  • Stabilizes emulsions and suspensions.

3. Food Industry

• Purpose: Texture and mouthfeel.

• Applications:

  • Adds body to sauces, dressings, dairy products, and beverages.

  • Controls consistency to improve sensory appeal and prevent ingredient separation.

4. Pharmaceuticals

• Purpose: Suspension stability and controlled release.

• Applications:

  • Used in syrups, ointments, gels, and suspensions to maintain uniformity.

  • Controls drug release rates and improves patient acceptability.

5. Adhesives and Sealants

• Purpose: Application control.

• Applications:

  • Adjusts viscosity to optimize spread and bonding properties.

  • Prevents run-off or dripping during application.

6. Oil and Gas Industry

• Purpose: Drilling fluid performance.

• Applications:

  • Used in drilling muds to control viscosity and suspension of cuttings.

  • Improves lubrication and stability of drilling operations.

7. Printing Inks

• Purpose: Flow control and drying.

• Applications:

  • Modifies viscosity for precise printing and drying performance.

  • Prevents clogging and ensures consistent color application.

8. Textile and Paper Industries

• Purpose: Coating and finishing.

• Applications:

  • Adjusts viscosity in textile printing pastes and paper coatings.

  • Improves uniformity and adhesion.

Key Features of Viscosity Modifier Agents:

• Compatible with various solvents and systems.

• Provide shear thinning or thickening behavior as needed.

• Help maintain product stability and performance over time.

 

Additional Information:

• Production Capacity: 10000 tons
• Delivery Time: IMMEDIATE
• Packaging Details: Brand New PP Bags

Product Details:

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.

• Removes rust, old paint, scale, and coatings efficiently.

• Prepares surfaces for coating or painting (especially in marine or construction industries).

🏗️ 2. Construction & Building Materials

• Added to epoxy flooring systems and grouts for anti-slip properties.

• Used in terrazzo flooring and decorative concrete as an aggregate.

• Fills gaps and voids in cementitious materials, enhancing durability.

🪵 3. Glass Manufacturing

• Used as a raw material in glass melting due to its high SiO₂ content.

• Helps improve thermal resistance and optical clarity in specialty glass.

🔬 4. Ceramics & Refractories

• Functions as a fluxing agent and filler in ceramic bodies and glazes.

• Used in manufacturing refractory bricks and linings for furnaces due to its high melting point and thermal shock resistance.

🏭 5. Foundry Industry

• Used in core and mold making for precision castings.

• Maintains dimensional accuracy and withstands high temperatures in metal casting.

🌡️ 6. Oil & Gas / Hydraulic Fracturing

• Sometimes used in frac sand blends (if meeting purity and strength specs).

• Helps prop open fractures in shale to allow gas/oil flow.

🌱 7. Filtration Media

• Utilized in water and wastewater filtration systems.

• Acts as a multi-layered filter bed component due to its consistent particle size and chemical inertness.

🔧 8. Industrial Abrasives

• Used in grinding, polishing, and lapping of stone, metal, or glass surfaces.

• Suitable for vibratory finishing or tumbling operations.

🖌️ 9. Paints & Coatings

• Acts as a functional filler to improve durability, abrasion resistance, and film hardness.

• Improves anti-skid properties in floor and road coatings.

🌟 Key Benefits of 60/120 Mesh Silica Grit

• Medium-fine grit ideal for balanced abrasion and surface smoothness.

• High purity (typically >99% SiO₂) ensures chemical inertness.

• High Mohs hardness (~7) for long-lasting performance.

• Thermal stability and non-reactivity in harsh environments.

Product Details:

We are identified as one of the leading manufacturers, suppliers, wholesalers and exporters in Chennai, Tamilnadu, India of premium quality Asbestos Fluff Powder. 

Uses & Applications of Asbestos Fluff Powder (Brown Grade)

Asbestos Fluff Powder (Brown), typically composed of Amosite (Grunerite), is a fibrous silicate mineral known for its heat resistance, tensile strength, and insulating properties. While asbestos use is highly regulated or banned in many countries due to health risks, in places where still allowed under strict controls, it is used in specific industrial applications.

🔧 Industrial & Technical Applications:

1. Thermal Insulation:

   • Used in high-temperature equipment and pipelines

   • Fills cavities in boilers, furnaces, kilns, and heat shields

2. Brake Linings & Clutch Facings:

   • Mixed with resins for manufacturing heat- and friction-resistant brake pads and clutches

3. Cement & Construction Composites:

   • Added to asbestos cement sheets, pipes, tiles for enhanced fire resistance and durability

4. Refractory & Foundry Applications:

   • Used in refractory bricks or insulation for ladles, crucibles, and molds due to high-temperature tolerance

5. Roofing & Gasket Materials:

   • Used as filler or reinforcement in roofing felts, gaskets, and sealing products

6. Protective Coatings & Textiles:

   • Blended with binders for fire-retardant paints or woven into fireproof fabrics or insulating blankets

⚠️ Health & Regulatory Note:

• Brown asbestos (Amosite) is considered highly hazardous, with a high risk of causing asbestosis, lung cancer, and mesothelioma.

• Its use is banned or strictly controlled in many countries.

• Any handling requires protective equipment, dust suppression measures, and adherence to occupational health and environmental regulations.

 

Additional Information:

• Production Capacity: 10000 Kgs
• Delivery Time: 7 to 10 Days
• Packaging Details: Brand New HDPE Bags

Product Details:

Calcium Silicate (Heavy Grade) is a high-density, non-combustible, inorganic compound made primarily from calcium oxide (CaO) and silicon dioxide (SiO₂). The “heavy” grade typically refers to calcium silicate materials with higher bulk density (typically > 500 kg/m³), making them suitable for structural and high-load-bearing applications, especially in thermal insulation and fire protection.

Below is a comprehensive overview of its uses and applications across various industries:

�� 1. Thermal Insulation (High-Temperature Applications) a. Industrial Equipment and Piping

• Used for insulating steam pipes, boilers, turbines, heat exchangers, and furnaces.

• Heavy-grade calcium silicate is ideal for load-bearing insulation where mechanical strength and heat resistance are both essential.

b. Power Plants & Refineries

• Applied in thermal insulation systems where temperatures exceed 650°C – 1000°C.

• Maintains shape and performance under high heat and mechanical stress.

�� 2. Fireproofing & Fire Protection Systems

• Used as fire-resistant panels, boards, and claddings.

• Key benefits:

  • Withstands direct flame and heat

  • Non-combustible and emits no toxic gases

• Common in:

  • Fire-rated wall assemblies

  • Structural steel fire protection

  • Escape route fire barriers

�� 3. Building and Construction a. Partition Panels and False Ceilings

• Calcium silicate boards (heavy) are used in walls, ceilings, and cladding.

• Resistant to moisture, mold, and fire.

b. Underlay for Tiles or Flooring

• Provides a stable and thermally resistant substrate in bathrooms, kitchens, or industrial floors.

⚙️ 4. Metallurgical & Foundry Applications

• Used as an insulating refractory back-up layer in ladles, furnace linings, and tundishes.

• Benefits:

  • High thermal stability

  • Low thermal conductivity

  • Can withstand molten metal splash and thermal cycling

�� 5. Chemical and Petrochemical Plants

• Heavy-grade calcium silicate is used for insulating high-temperature process equipment, tanks, and ductwork.

• Advantages:

  • Corrosion resistance under insulation (CUI)

  • Structural stability under aggressive conditions

��️ 6. Mechanical and Structural Support Applications

• Due to its high compressive strength, it can serve as:

  • Base support blocks for heavy equipment

  • Load-distributing pads under hot piping systems

Additional Information:

• Production Capacity: 10000 Kgs
• Delivery Time: 7 to 10 Days
• Packaging Details: Brand New HDPE Bags

Product Details:

We are the leading manufactures, exporters,technical developers and suppliers CAUSTIC SODA in Chennai, Tamil Nadu.

Caustic soda (sodium hydroxide) is a versatile alkali. Its main uses are in the manufacture of pulp and paper, alumina, soap and detergents, petroleum products and chemical production. Other applications include water treatment, food, textiles, metal processing, mining, glass making and others

Product Details:

Aluminium Silicate ( Heavy ).

We are the leading manufactures, exporters,technical developers and suppliers of Aluminium Silicate 

✅ Uses & Applications of Hydrated Aluminium Silicate

🧴 1. Cosmetics & Personal Care

• Application: Used in creams, lotions, powders, toothpaste, and makeup products

• Benefits:

  • Acts as a thickener, opacifier, and abrasive (in toothpaste)

  • Provides a smooth, silky texture

  • Absorbs oil and moisture in skin-care and cosmetic formulations

💊 2. Pharmaceuticals

• Application: Used as an excipient, tablet binder, and gastrointestinal protectant

• Benefits:

  • Serves as an antacid (mildly neutralizes stomach acid)

  • Used in antidiarrheal and gastrointestinal coatings

  • Acts as a carrier for active ingredients

🧂 3. Food Industry

• Application: Permitted as an anti-caking agent (similar to E559 – aluminium silicate)

• Benefits:

  • Prevents clumping in powdered ingredients (e.g., salt, spices)

  • Improves flow characteristics

  • Inert and safe within regulatory limits

🏗️ 4. Paints, Coatings & Plastics

• Application: Used as a functional filler and matting agent in:

  • Decorative and industrial paints

  • PVC and thermoplastics

  • Adhesives and sealants

• Benefits:

  • Improves viscosity control, opacity, and film strength

  • Enhances scratch resistance and thermal stability

  • Cost-effective filler alternative to titanium dioxide (TiO₂)

🧼 5. Detergents & Cleaners

• Application: Used as a mild abrasive and suspending agent

• Benefits:

  • Provides gentle scrubbing action in creams and pastes

  • Stabilizes active components in liquid detergents

🧱 6. Ceramics & Refractories

• Application: Raw material in ceramic glazes, tiles, bricks, and insulating refractories

• Benefits:

  • Improves workability and thermal resistance

  • Contributes to strength and dimensional stability at high temperatures

🧪 7. Catalysts & Adsorbents

• Application: Used in:

  • Catalyst supports in petrochemical cracking

  • Adsorbents for purification and separation processes
    
    🐄 8. Animal Feed

• Application: Used as a flow enhancer and toxin binder

• Benefits:

  • Prevents caking in premixes

  • Adsorbs mycotoxins and heavy metals from animal digestive tracts

🌾 9. Agriculture (Fertilizers & Pesticides)

• Application: Acts as a carrier and anti-caking agent in:

  • Granular fertilizers

  • Dusting powders and wettable pesticide formulations

• Benefits:

  • Ensures even distribution

  • Enhances product shelf life

Product Details:

We are a prominent manufacturer, supplier, wholesaler and exporter of Calcium Aluminium Silicate. All these products are processed using optimum-grade chemical compounds employing latest equipment. Besides, our logistics personnel ensure to timely deliver the offered range at customers' destination using easy modes of shipment.

Features:

• White in color
• Effective
• Moisture resistant

Certificate Of Analysis:

Chemical analysis (w/w)%:

Additional Information:

• Production Capacity: 10000 Kgs
• Delivery Time: 7 to 10 Days
• Packaging Details: Brand New HDPE Bags

Product Details:

Sodium Bentonite 

✅ Uses & Applications of Sodium Bentonite ��️ 1. Construction Industry �� Waterproofing & Sealant

• Underground Construction: Used in basement waterproofing, foundation sealants, and tunnel linings to prevent water ingress.

• Landfill Liner: Sodium Bentonite is used in landfill liners to prevent leachate migration due to its high swelling and low permeability properties.

�� Drilling Fluids (Mud)

• Used in borehole drilling (especially in oil & gas exploration, geotechnical drilling, and mining operations) to control pressure, cool the drill bit, and carry debris from the well.

�� Cement and Concrete Additives

• Increases workability and enhances compressive strength when added to cement mixes.

�� 2. Environmental Applications �� Soil Stabilization

• Used in soil remediation projects for contaminant removal and stabilizing contaminated soil.

• Effectively binds toxins, making it suitable for environmental clean-ups.

�� Pollution Control (Absorption of Toxins)

• Acts as an adsorbent for heavy metals, organic compounds, and other pollutants in water treatment systems, including sewage treatment plants and industrial effluent treatment.

�� Natural Water Filtration

• Used in water filtration systems to remove impurities and heavy metals due to its cation exchange capacity and adsorptive properties.

�� 3. Agriculture & Horticulture �� Animal Feed Additive

• Anticaking agent and digestive aid for livestock feed.

• Used to improve animal health, by promoting digestion and preventing disease.

�� Soil Conditioner

• Improves soil structure, enhancing water retention and nutrient absorption for better crop yields.

• Acts as a natural pesticide when mixed with soil or spread around plants to deter pests.

�� Pond & Aquaculture

• Used to create pond liners for aquaculture farms, offering natural waterproofing and reducing seepage.

�� 4. Industrial & Chemical Applications �� Foundry & Metal Casting

• Used as a binding agent in foundry sand to create molds for metal casting.

• Helps to ensure a smooth finish on the casted metal and improves the strength of the mold.

�� Thickening Agent in Oil-based Products

• Used in the cosmetic, pharmaceutical, and oil industries to increase the viscosity of products like paints, coatings, and lubricants.

�� Adsorbent in Chemical Processing

• Sodium Bentonite's high adsorptive capacity is utilized for removing impurities, decolorizing oils, and acting as a deodorizer in various industrial chemical processes.

Product Details:

We are manufacturing, supplying, exporting and wholesaling MAGNESIUM OXIDE ( HEAVY ) in Ambattur, Chennai, Tamilnadu, India.

CERTIFICATE OF ANALYSIS

 

MAGNESIUM OXIDE (HEAVY)

 

 

Product Details:

Liquid Sodium Silicate

We are the leading manufactures, exporters,technical developers and suppliers of Liquid Sodium Silicate in Chennai, Tamil Nadu,

Sodium Silicate Neutral Liquid (commonly called water glass) is a viscous, alkaline solution made by dissolving silica (SiO₂) and soda ash (Na₂CO₃) in water. A neutral grade typically has a silica-to-soda ratio close to 3.0, making it less caustic and more stable than alkaline grades. It is valued for its adhesive, sealing, binding, fire-resistant, and chemical-resistant properties.

✅ Uses & Applications of Sodium Silicate Neutral Liquid ��️ 1. Construction & Civil Engineering

• Concrete Hardener & Densifier: Penetrates concrete surfaces and reacts to form a harder, dust-proof layer.

• Soil Stabilization: Injected into loose soil to increase strength and reduce permeability (e.g., tunneling, foundations).

• Fireproofing Agent: Applied as a fire-retardant coating on steel and wood surfaces.

�� 2. Adhesives & Binders

• Corrugated board adhesive: Used in paper and cardboard manufacturing.

• Binder in foundry molds and cores: Creates strong, heat-resistant sand molds in metal casting.

• Abrasive products: Binds grits in grinding wheels, emery paper, etc.

��️ 3. Drilling & Oil Industry

• Well cementing additive: Controls setting time and fluid loss in oil well cement.

• Drilling mud component: Stabilizes boreholes and controls viscosity.

�� 4. Detergents & Cleaning Products

• Builder in detergents: Enhances performance by softening water and boosting cleaning action.

• Degreasing & industrial cleaning: Breaks down fats and oils in metal and surface cleaning operations.

�� 5. Agriculture

• Used as a silicon source to enhance plant resistance to pests and diseases.

• Acts as a binder in fertilizer granules.

��️ 6. Paper & Pulp Industry

• Sizing agent and coating component: Enhances printability and surface strength of paper.

• Used in bleaching processes for pulp.

�� 7. Paints, Coatings & Sealants

• Base for mineral paints (silicate paints): Highly breathable, weather-resistant, and durable.

• Used as a binder for fire-retardant and anti-corrosive coatings.

�� 8. Fire Protection

• Fireproof sealants: Applied to gaps in buildings to prevent fire spread.

• Component of firestop compounds and intumescent coatings.

�� 9. Environmental & Waste Treatment

• Sludge treatment: Stabilizes heavy metals and toxic substances in industrial sludge.

• Water treatment: Used to adjust pH, inhibit corrosion, and reduce scale.

�� 10. Miscellaneous Industrial Uses

• Ceramic slurry binder

• Preservation of eggs (historically, in water glass)

• Textile processing: For crease resistance and fireproofing

Additional Information:

• Production Capacity: 10000 Ltrs
• Delivery Time: 7 to 10 Days
• Packaging Details: Plastic Cans / Barrels

Product Details:

Polyvinyl Alcohol (PVA) Liquid – Uses & Applications

Polyvinyl Alcohol (PVA) in liquid form is a water-soluble synthetic polymer widely used due to its excellent film-forming, emulsifying, and adhesive properties. It is non-toxic, odorless, and environmentally friendly, making it suitable across industries.

1. Construction Industry

• Tile Adhesives & Cement Additives: Enhances bond strength, flexibility, and water resistance.

• Putty & Plaster Modifiers: Improves workability and adhesion.

• Mortar Additive: Increases bonding strength and reduces cracking in concrete or plaster.

• Grouting Compounds: Used as a binder for better flow and cohesion.

2. Textile Industry

• Warp Sizing Agent: Protects yarns during weaving by reducing breakage.

• Fabric Finishing: Enhances smoothness, stiffness, and resistance to washing.

• Printing Paste Binder: Used in screen printing for color fixation.

3. Paper Industry

• Surface Coating & Sizing: Improves printability, strength, and oil resistance of paper.

• Paper Adhesives: Acts as a binder in paper lamination and processing.

4. Adhesives & Binders

• White Glue / Craft Glue: Commonly used in school glues and bookbinding.

• Wood Adhesives & Laminating Glue: For strong, flexible bonding in furniture applications.

• Wallpaper Adhesives: Ensures even, smooth application with minimal peeling.

5. Packaging Industry

• Water-Soluble Films: Used in detergent pods, pesticide pouches, etc.

• Biodegradable Packaging: As a component in eco-friendly packaging solutions.

6. Ceramic & Refractory Industry

• Binder in Ceramic Slurry: Improves strength before firing.

• Refractory Castables: Acts as a plasticizer and binder in alumina/silica compositions.

7. Emulsion Polymerization

• Protective Colloid: Used in producing emulsions of PVC, PVAc, etc.

8. Paints & Coatings

• Thickener & Stabilizer: Used in water-based paints for better flow, film formation, and stability.

9. Cosmetics & Personal Care

• Face Masks & Peel-Off Masks: Forms a flexible film on skin.

• Lotions & Creams: Acts as a stabilizer or binder.

10. Agriculture

• Seed Coating & Encapsulation: Forms a protective, water-soluble barrier.

• Fertilizer Coatings: Controls release rates.

11. Printing Inks

• Used as a binder and viscosity controller in water-based inks.

12. Pharmaceuticals

• Tablet Coating: As a film former in edible coatings.

• Topical Gels & Eye Drops: Safe, non-irritating base for drug delivery.

 

Product Details:

Foundry Sand

We are the leading manufactures, exporters,technical developers and suppliers Foundry Sand in Chennai, Tamil Nadu, 

Concrete is a mixture comprised of cement (10-15 percent). Foundry sand can be used as a fine aggregate substitute in concrete. Fine aggregates are generally 3/8 inch or smaller,  in diameter. Foundry sand meets two of the critical requirements for concrete aggregates: it is uniformly graded, and is strong, hard, and durable.

Additional Information:

• Production Capacity: 10000 Kgs
• Delivery Time: 7 to 10 days
• Packaging Details: Brand New HDPE Bags

Product Details:

Sodium hydroxide (NaOH) is an inorganic compound. It is a white solid and highly caustic metallic base and alkali salt of sodium which is available in pellets, flakes, granules, and as prepared solutions at a number of different concentrations. Sodium hydroxide forms an approximately 50% (by weight) saturated solution with water. Sodium hydroxide is soluble in water, ethanol, and methanol. This alkali is deliquescent and readily absorbs moisture and carbon dioxide in air. Sodium hydroxide is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps, detergents and as a drain cleaner. It is also used in concrete in the construction industry.

Product Details:

We are the leading manufactures, exporters,technical developers and suppliers of Calcined Kaolin in Chennai, Tamil Nadu,

Calcined clay is produced by heating natural clay (commonly kaolinite) at high temperatures, transforming it into a reactive material with enhanced properties. This thermal treatment alters its crystalline structure, making it suitable for a wide range of industrial, environmental, and construction applications.

Here’s a summary of uses and applications of calcined clay across various industries:

1. Construction Industrya. Cement and Concrete (Supplementary Cementitious Material - SCM)

• Pozzolanic Activity: Reacts with calcium hydroxide to form additional cementitious compounds.

• Benefits: Improves strength, durability, and reduces permeability and carbon footprint of concrete.

• LC3 (Limestone Calcined Clay Cement): A low-carbon cement alternative that replaces a portion of clinker in cement with calcined clay and limestone.

b. Ceramics and Tiles

• Used in porcelain and ceramic tile bodies for improved strength and firing characteristics.

2. Paper Industry

• Coating and Filling: Improves printability, brightness, and opacity in coated and uncoated paper.

• Calcination enhances particle structure and reduces abrasiveness.

3. Paints and Coatings

• Extender Pigment: Used to improve the rheology and coverage of paint.

• Enhances opacity and reduces production cost as a partial titanium dioxide replacement.

4. Plastics and Rubber

• Acts as a reinforcing filler in rubber and plastic formulations.

• Improves dimensional stability, stiffness, and processability.

5. Agriculture

• Carrier for pesticides and herbicides.

• Used as a soil amendment for improving soil structure and water retention.

6. Oil and Gas Industry

• Used in oil-based drilling fluids for its absorptive and thermal stability properties.

7. Refractories and Insulation

• Refractory bricks and insulation: Used in high-temperature applications like kilns, furnaces, and incinerators.

• Calcined clay offers thermal resistance and structural stability.

8. Environmental Applications

• Adsorbent for pollutants: Removes heavy metals and organic contaminants from wastewater.

• Landfill liners: Due to its impermeable structure.

9. Foundry Applications

• Used as a mold and core binder in metal casting.

• Helps achieve smoother surfaces and improved dimensional accuracy in castings.

10. Cosmetics and Personal Care

• Exfoliants and carriers: Used in formulations due to its absorptive and mild abrasive properties.

Additional Information:

• Production Capacity: 100000
• Delivery Time: Immediate
• Packaging Details: Brand New PP Bags

Product Details:

Foundry Sand is a high-quality silica sand primarily used in metal casting processes. It is engineered to withstand high temperatures and maintain shape, making it ideal for creating molds and cores for ferrous and non-ferrous metal castings. It can be natural or synthetic and is often reused multiple times before disposal or recycling.
Here’s a brief summary of the uses and applications of Foundry Sand:
1. Metal Casting Industry

Purpose: Mold and core material for metal castings.

Applications:

Used in green sand molding, resin-bonded sand, and shell molding processes.

Forms molds and cores for casting iron, steel, aluminum, and brass components.

Withstands thermal shock and provides good dimensional accuracy.

2. Construction Industry

Purpose: Fill material and substitute for natural sand.

Applications:

Recycled foundry sand is used as a base material in roads, embankments, and backfills.

Incorporated into flowable fill, asphalt mixes, and concrete (in controlled proportions).

3. Soil Conditioning and Land Reclamation

Purpose: Soil amendment and structure improvement.

Applications:

Enhances drainage and aeration in compacted or clay-heavy soils.

Used in brownfield reclamation and landfill cover applications.

4. Manufacturing of Bricks and Tiles

Purpose: Silica source and filler material.

Applications:

Mixed into clay brick, ceramic tile, and lightweight aggregate manufacturing processes.

Improves dimensional stability and strength of fired products.

5. Landscaping and Recreational Use

Purpose: Surface material and decorative filler.

Applications:

Used in golf courses, sports fields, and park paths as a sand base.

Serves as a topdressing or leveling material in landscaping.

6. Cement and Concrete Products

Purpose: Partial replacement for fine aggregates.

Applications:

Enhances workability and sustainability in precast concrete blocks, curbs, and paving stones.

7. Road and Pavement Base Layers

Purpose: Structural base material.

Applications:

Acts as a sub-base under roads and pavements to improve load distribution and reduce settlement.

Key Features of Foundry Sand:

High thermal stability and reusability.

Uniform particle size and good permeability.

Often composed of over 90% silica (SiO₂).

Product Details:

Sodium Bentonite 

✅ Uses & Applications of Sodium Bentonite ��️ 1. Construction Industry �� Waterproofing & Sealant

• Underground Construction: Used in basement waterproofing, foundation sealants, and tunnel linings to prevent water ingress.

• Landfill Liner: Sodium Bentonite is used in landfill liners to prevent leachate migration due to its high swelling and low permeability properties.

�� Drilling Fluids (Mud)

• Used in borehole drilling (especially in oil & gas exploration, geotechnical drilling, and mining operations) to control pressure, cool the drill bit, and carry debris from the well.

�� Cement and Concrete Additives

• Increases workability and enhances compressive strength when added to cement mixes.

�� 2. Environmental Applications �� Soil Stabilization

• Used in soil remediation projects for contaminant removal and stabilizing contaminated soil.

• Effectively binds toxins, making it suitable for environmental clean-ups.

�� Pollution Control (Absorption of Toxins)

• Acts as an adsorbent for heavy metals, organic compounds, and other pollutants in water treatment systems, including sewage treatment plants and industrial effluent treatment.

�� Natural Water Filtration

• Used in water filtration systems to remove impurities and heavy metals due to its cation exchange capacity and adsorptive properties.

�� 3. Agriculture & Horticulture �� Animal Feed Additive

• Anticaking agent and digestive aid for livestock feed.

• Used to improve animal health, by promoting digestion and preventing disease.

�� Soil Conditioner

• Improves soil structure, enhancing water retention and nutrient absorption for better crop yields.

• Acts as a natural pesticide when mixed with soil or spread around plants to deter pests.

�� Pond & Aquaculture

• Used to create pond liners for aquaculture farms, offering natural waterproofing and reducing seepage.

�� 4. Industrial & Chemical Applications �� Foundry & Metal Casting

• Used as a binding agent in foundry sand to create molds for metal casting.

• Helps to ensure a smooth finish on the casted metal and improves the strength of the mold.

�� Thickening Agent in Oil-based Products

• Used in the cosmetic, pharmaceutical, and oil industries to increase the viscosity of products like paints, coatings, and lubricants.

�� Adsorbent in Chemical Processing

• Sodium Bentonite's high adsorptive capacity is utilized for removing impurities, decolorizing oils, and acting as a deodorizer in various industrial chemical processes.

Product Details:

We are one of the leading manufacturers, suppliers and exporters of high quality Calcium Bentonite.

Calcium Bentonite is a naturally occurring clay primarily composed of montmorillonite, with calcium as the dominant exchangeable cation. It has strong adsorptive and absorbent properties, making it highly useful across various industries.

🔬 Uses & Applications of Calcium Bentonite🧴 1. Personal Care & Cosmetics

• Face masks, mud packs, and body wraps: Detoxifies and exfoliates the skin by absorbing excess oil and impurities.

• Soaps and cleansers: Acts as a natural thickener and skin soother.

• Hair treatments: Absorbs dirt and sebum from the scalp.

💊 2. Health & Pharmaceuticals

• Detox supplements: Sometimes ingested (in food-grade form) to cleanse the digestive tract of toxins and heavy metals.

• Anti-diarrheal agents: Used in natural remedies to reduce diarrhea due to its absorbent properties.

• Poultices & wound care: Applied externally for skin infections and inflammation.

⚠️ Note: Internal use should only be with medical supervision and food-grade quality.

🌱 3. Agriculture

• Soil conditioning: Improves soil structure, retains moisture, and enhances nutrient retention.

• Pesticide and fertilizer carrier: Serves as a base for slow-release formulations.

• Animal feed additive: Acts as a binder and detoxifying agent in livestock feed.

🧱 4. Construction & Civil Engineering

• Landfill liners and sealing ponds: Used for its low permeability to prevent leachate seepage.

• Drilling mud additive: Helps stabilize boreholes in non-oil field drilling applications.

• Binder in bricks and ceramics: Improves green strength and shape retention before firing.

🧼 5. Industrial Uses

• Desiccant: Acts as a moisture absorber in packaging.

• Pelletizing aid: Used in iron ore pelletization.

• Foundry sand binder: Helps in molding in foundry work due to its binding properties.

🌾 6. Environmental Applications

• Wastewater treatment: Binds to heavy metals and contaminants for removal.

• Oil spill remediation: Absorbs and binds oil from soil or water surfaces.

✅ Summary Table

Product Details:

Air Lime ( Calcium Oxide ).

We are the leading manufactures, exporters,technical developers and suppliers of Air Lime ( Calcium Oxide ) in Chennai, Tamil Nadu, 

Air lime, commonly known as Calcium Oxide (CaO) or quicklime, has a wide range of uses and applications across various industries. Below are some of its key applications:

1. Construction & Building Industry

• Lime Mortar & Plaster: Used in traditional masonry work and restoration of historical buildings.

• Lime Concrete: Enhances durability and water resistance in construction projects.

• Soil Stabilization: Improves soil quality and strength, making it useful for road construction and foundation laying.

• Autoclaved Aerated Concrete (AAC) Blocks: A key ingredient in AAC blocks, which are lightweight and thermally insulating.

2. Environmental Applications

• Water Treatment: Used for pH control, softening water, and removing impurities like heavy metals and phosphates.

• Flue Gas Treatment: Helps in desulfurization by neutralizing sulfur dioxide (SO₂) emissions from power plants.

• Wastewater Treatment: Reduces acidity and removes contaminants like heavy metals.

3. Metallurgical Industry

• Steel Manufacturing: Acts as a fluxing agent to remove impurities such as silica and phosphorus in the steelmaking process.

• Aluminum & Copper Refining: Assists in impurity removal and enhances metal quality.

4. Chemical & Industrial Applications

• Chemical Production: Used to manufacture calcium hydroxide (slaked lime), which is further used in various industries.

• Paper & Pulp Industry: Plays a role in the causticizing process to produce white liquor for paper bleaching.

• Glass Manufacturing: Enhances durability and clarity in glass production.

5. Agriculture & Farming

• Soil Amendment: Neutralizes acidic soils and improves crop yield.

• Livestock Feed: Used in feed formulations to provide essential calcium for animal health.

6. Food Industry

• Sugar Refining: Helps in the purification of sugar by removing impurities.

• Food Preservation: Used in pickling processes and as an acidity regulator.

7. Other Applications

• Petroleum Industry: Used in oil refining processes to remove sulfur compounds.

• Leather Industry: Aids in dehairing and preparation of hides in tanning.

• Pharmaceuticals: Used in medicinal and dental applications for acidity regulation.

 

Product Details:

SODIUM SILICATE LIQUID

We are the leading manufactures, exporters,technical developers and suppliers of  SODIUM SILICATE LIQUID in Chennai, Tamil Nadu,

 

✅ Uses & Applications of Sodium Silicate Alkaline Liquid��️ 1. Construction Industry

• Cement Additive & Accelerator:

  • Speeds up setting time of cement-based products.

  • Enhances durability and bonding strength.

• Waterproofing Agent:

  • Applied to concrete surfaces to reduce water permeability.

• Soil Grouting and Stabilization:

  • Injected into soil to solidify and waterproof it (used in foundations, tunnels, mines).

�� 2. Foundry & Metallurgy

• Core and Mold Binder:

  • Used with CO₂ curing to form strong sand molds in steel, aluminum, and iron casting.

• Fluxing Agent:

  • Helps in removing impurities from metal surfaces during refining.

�� 3. Detergents and Cleaners

• Strong Alkaline Builder:

  • Used in heavy-duty detergents for degreasing and removing oil/grease from industrial equipment.

• Boiler & Surface Cleaning:

  • Removes scale and deposits from heat exchangers, boilers, and pipes.

��️ 4. Paper & Pulp Industry

• Bleaching Aid & De-inking Agent:

  • Helps in removing ink from recycled paper.

  • Enhances brightness during pulp bleaching.

• Adhesive for lamination and boxboard manufacturing.

�� 5. Adhesives & Binders

• Binder in Abrasives:

  • Used in grinding wheels, emery cloth, and sanding materials.

• Adhesive in Corrugated Boxes:

  • Provides water-resistant bonding in cardboard manufacturing.

�� 6. Environmental Applications

• Wastewater Treatment:

  • Precipitates heavy metals and neutralizes acidic waste.

• Flue Gas Treatment:

  • Binds sulfur dioxide and other acidic gases in industrial exhausts.

⚗️ 7. Chemical Manufacturing

• Raw Material for Silica Gel, Zeolites, and Precipitated Silica.

• Catalyst Support:

  • Used in catalyst formulation for petrochemical processes.

�� 8. Fire Protection & Insulation

• Fire-Resistant Coatings:

  • Used in intumescent and fire-retardant coatings.

• Thermal Insulation Boards & Panels:

  • Acts as a binder for ceramic wool, perlite, and vermiculite boards.

�� 9. Textiles

• Fireproofing and Anti-Crease Treatment:

  • Used in textile finishing to provide flame retardancy and stiffness.

�� 10. Ceramics & Glass

• Binder in Refractory Ceramics:

  • Helps shape and bind ceramic bodies that require high-temperature resistance.

• Used in foam glass production for insulation.

Product Details:

PVA Solution (Polyvinyl Alcohol Solution) is a water-based, synthetic polymer solution known for its excellent film-forming, adhesive, emulsifying, and bonding properties. It is non-toxic, water-soluble, and biodegradable, making it suitable for a wide range of industrial and commercial applications.

Here’s a brief summary of the uses and applications of PVA Solution:

1. Adhesives Industry

• Purpose: Binder and glue base.

• Applications:

  • Used in paper, cardboard, wood, and fabric adhesives.

  • Ideal for bookbinding, labels, envelopes, and craft glues due to its strong tack and flexibility.

2. Textile Industry

• Purpose: Sizing and finishing agent.

• Applications:

  • Applied as a warp sizing agent to improve yarn strength and reduce breakage.

  • Used as a finishing agent for fabric stiffness and smoothness.

3. Paper and Packaging

• Purpose: Coating and binding agent.

• Applications:

  • Improves printability, strength, and gloss in paper coatings.

  • Used in paper lamination and flexible packaging films for strength and moisture resistance.

4. Construction Industry

• Purpose: Binder and additive.

• Applications:

  • Added to cement and mortar to improve adhesion, water resistance, and flexibility.

  • Used in crack fillers, tile adhesives, and wall putty formulations.

5. Paints and Coatings

• Purpose: Film former and stabilizer.

• Applications:

  • Used in water-based paints and emulsions for improved binding and film formation.

  • Helps disperse pigments evenly and enhances gloss and durability.

6. Cosmetics and Personal Care

• Purpose: Film-forming agent.

• Applications:

  • Used in face masks, hair gels, and peel-off products for smooth application and easy removal.

  • Non-irritating and safe for skin contact.

7. Ceramics and Refractories

• Purpose: Temporary binder.

• Applications:

  • Helps in molding and shaping ceramic bodies.

  • Burns out cleanly during firing, leaving no residue.

8. Paper and Water-Soluble Film Manufacturing

• Purpose: Base material.

• Applications:

  • Used to produce biodegradable films for packaging, agrochemical sachets, and detergent pods.

9. Medical Applications

• Purpose: Biocompatible binder.

• Applications:

  • Used in eye drops, wound dressings, and drug delivery systems due to its non-toxic and hydrophilic properties.

Key Features of PVA Solution:

• Water-soluble and biodegradable.

• Excellent film-forming and adhesive properties.

• Safe, non-toxic, and environmentally friendly.

 

Product Details:

Known for manufacturing, supplying, wholesaling and exporting a wide range of optimum quality Industrial Chemical, Astrra Chemicals, based in Chennai, was established in the year 1992. Offered chemical range is inclusive of Construction Chemicals, Antioxidants Chemicals and Aromatic Chemicals. Available with us at cost-effective prices, these chemicals are extremely appreciated for their compositional accuracy and high effectiveness. In addition to this, our company is engaged in manufacturing, wholesaling and exporting best quality FRP Products - Raw Materials, De-ionized Water, Industrial Solvents Essential Oils Industrial Dyes and Industrial Pigments. Our offered products are extensively used in various industrial applications and are highly demanded by the customers.

With the aid of our team of highly dedicated professionals, we have been able to meet the bulk order requirements of production within the stipulated time frame. Our professionals, who hold expertise in their area of operations, are trained on a regular basis through seminars and workshops in order to enhance and polish their technical as well as professionals skills. Highly motivated to attain maximum customer satisfaction, our company strictly follows customer centric approach and transparent business policies, since its inception. We export our products all over the world.

Product Details:

We are an eminent organization, which is engaged in manufacturing, exporting and technical developers of highly pure Magnesium Silicate ( 500M )
 

Magnesium Aluminium Silicate (Grade 500 M) is a purified, naturally occurring mineral composed primarily of magnesium silicate and aluminum silicate, commonly derived from bentonite or smectite clays. Grade 500 M typically refers to a medium-fineness grade suitable for suspension, thickening, and stabilizing applications. It is widely used in pharmaceutical, cosmetic, and industrial formulations due to its excellent rheological (flow) control and stabilizing properties.

✅ Uses & Applications of Magnesium Aluminium Silicate (Grade 500 M) 🧴 1. Cosmetics & Personal Care

• Thickening agent in creams, lotions, and gels.

• Acts as a stabilizer for emulsions and suspensions.

• Common in face masks, foundations, sunscreens, and toothpastes.

• Provides a silky, non-greasy feel and enhances spreadability.

💊 2. Pharmaceutical Industry

• Used in oral suspensions as a suspending and viscosity-modifying agent (e.g., antacids, antidiarrheals).

• Compatible with a wide range of actives and excipients.

• Offers stability over pH ranges and prevents sedimentation.

• Safe for ingestion in regulated quantities (GRAS – Generally Recognized as Safe).

🎨 3. Paints & Coatings

• Acts as a rheology modifier to improve flow control.

• Prevents settling of pigments and enhances film uniformity.

• Improves viscosity, anti-sagging, and spreadability.

🧪 4. Industrial Applications

• Used in ceramic glazes, refractories, and polishes.

• Serves as a binding and thickening agent in specialty industrial formulations.

• Can be part of lubricants, cleaners, or household products requiring controlled viscosity.

🪥 5. Oral Care Products

• Common in toothpaste as a mild abrasive and thickener.

• Improves mouthfeel, spread, and stability.

• Compatible with fluoride and other active ingredients.

💧 6. Water-Based Suspensions

• Useful in pesticide formulations, fertilizer slurries, and agrochemicals to suspend active ingredients.

• Prevents settling and enhances shelf-life of liquid concentrates.

🖌️ 7. Inks & Printing Pastes

• Enhances printability, prevents bleeding, and maintains uniform pigment dispersion.

🌟 Key Functional Properties

• Suspending agent for insoluble solids.

• Thickener and viscosity stabilizer in both aqueous and some solvent-based systems.

• Non-reactive, chemically inert, and compatible with a wide range of pH (4–10).

• Imparts thixotropy (liquid under shear, gel-like when at rest), beneficial in topical and industrial applications.

Product Details:

China Clay (Grade AL) — also known as Kaolin — is a naturally occurring white clay mineral primarily composed of Kaolinite (Al₂Si₂O₅(OH)₄). The "AL" grade typically refers to high-alumina content or high-purity kaolin, suitable for industries requiring superior whiteness, low iron content, and high plasticity.

Here’s a breakdown of the uses and applications of China Clay (Grade AL) across different sectors:

🧱 1. Ceramics and Refractories a. Whiteware (Sanitaryware, Tableware, Tiles)

• Application: Acts as a plasticizing and binding agent.

• Benefit: Provides smooth finish, whiteness, and high firing strength.

• Used in glazes for smoothness and gloss.

b. Refractory Bricks and Insulating Materials

• High Alumina Content makes Grade AL suitable for:

  • Refractory bricks

  • Kiln linings

  • Fireclay mortars

🏭 2. Paper Industry

• Used as a coating and filler pigment in high-grade papers (e.g., art paper, coated card).

• Function:

  • Improves smoothness, printability, and brightness.

  • Controls ink absorption.

🖌️ 3. Paints and Coatings

• Acts as an extender pigment in:

  • Emulsion paints

  • Primers

  • Decorative coatings

• Benefits:

  • Increases opacity

  • Improves sheen control

  • Enhances rheological (flow) properties

🧴 4. Rubber and Plastics Industry

• Used as a reinforcing filler in:

  • Rubber compounds (tires, hoses)

  • PVC and plastic formulations

• Advantages:

  • Enhances tensile strength

  • Reduces costs as a functional filler

  • Improves surface finish

🚿 5. Cosmetics and Personal Care

• Grade AL kaolin is used in:

  • Face masks

  • Talc substitutes

  • Toothpastes

• Reasons:

  • Gentle abrasive and absorbent properties

  • Non-toxic and skin-safe

🧪 6. Pharmaceuticals

• Acts as an excipient and adsorbent in:

  • Gastrointestinal medicines (e.g., for diarrhea relief)

  • Topical powders

⚙️ 7. Foundry Industry

• Used in mold coatings and core materials due to:

  • High heat resistance

  • Fineness for smooth surface finishes

🌱 8. Agriculture

• Carrier for pesticides, fungicides, and fertilizers.

• Soil additive for water retention and pH control.

🧬 9. Advanced Applications (Emerging Uses)

• High-purity kaolin (like Grade AL) is being explored in:

  • Ceramic membranes

  • Battery separators

  • 3D printing ceramics