Product Details:
| Minimum Order Quantity | 50 Kg |
| MgO Content | 38 % |
| Whiteness | 94 % |
| Mesh Size | 400 Mesh |
| State | Powdered |
| Usage/Application | Industrial, Paints |
| Grade Standard | Industrial Grade |
| Packaging Details | 50 Kg Bag |
| Packaging Size | 50 KGS BAG |
| Purity % | 99% |
Uses & Applications of Micronised Talc (French Chalk Powder) specifically for FRP, Composites, and Resin Systems, aligned with how it is actually used by FRP manufacturers, resin formulators, and moulders.
Micronised Talc (French Chalk Powder)Uses & Applications in FRP / Composite / Resin Industries1. Role of Micronised Talc in FRP & Composite SystemsMicronised Talc is a hydrated magnesium silicate mineral with a platy lamellar structure, widely used as a functional filler and performance modifier in thermoset and thermoplastic composite systems.
In FRP and resin formulations, talc contributes to:
Cost optimisation
Rheology control
Dimensional stability
Improved surface finish
Enhanced processing efficiency
Improves thixotropy and flow control of polyester, vinyl ester, and epoxy resins
Reduces resin sagging in vertical and inclined moulds
Enhances fibre wet-out without excessive resin drainage
Improves hand lay-up, spray-up, RTM, and compression moulding
Increases flexural modulus and stiffness
Improves dimensional stability of composite parts
Reduces shrinkage and warpage during curing
Enhances impact resistance when used with glass fibre reinforcements
Produces smooth, uniform surfaces with reduced print-through of fibres
Improves paintability and gel-coat compatibility
Reduces surface pinholes and waviness
Acts as a surface levelling agent in gel coats and putties
Enhances heat distortion resistance
Improves thermal stability of cured laminates
Provides moderate chemical resistance to acids, alkalis, and moisture
Improves performance in marine and industrial FRP components
Filler in FRP panels, sheets, gratings, tanks, and pipes
Used in SMC / BMC formulations to control flow and mould filling
Improves surface smoothness and mould release
Typical Loading: 5–30% (depending on mechanical and cost requirements)
2️⃣ Epoxy Resin SystemsUsed as a functional extender in epoxy adhesives and casting resins
Improves workability and reduces exotherm
Enhances machinability of cured epoxy components
Additional Information:
Product Details:
| MgO Content | 40 % |
| Whiteness | 96 % |
| Mesh Size | 1000 Mesh |
| Application | Textiles, Cosmetics, Ceramics, Pesticides, Paints, Paper, Plastics |
| Oil Absorption | 40 g/100g |
| Moisture | < 1 % |
| Usage/Application | Fibreglass / Paint Filler |
| Packaging Size | 50 kg |
| Form | Powder |
| Color | White |
| Packaging Type | HDPE Bag |
| Mesh | 700 Mesh |
| Brand | Astrra Chemicals |
1. Paints & Coatings Industry
Enhances Opacity & Brightness: Provides better dispersion and smoothness in paints.
Anti-Corrosive Properties: Improves resistance to moisture and chemicals in coatings.
Matting & Anti-Settling Agent: Used in decorative and industrial coatings for improved texture and durability.
Thermal & UV Stability: Prevents degradation of paints under extreme conditions.
Filler & Reinforcement: Enhances strength and reduces shrinkage in thermoplastics and thermosets.
Improves Stiffness & Impact Resistance: Used in polypropylene (PP), polyethylene (PE), and PVC.
Enhances Heat Resistance: Used in automotive plastic components, electrical enclosures, and consumer goods.
Boosts Dimensional Stability: Reduces warpage and improves moldability in plastic products.
Improves Flexibility & Strength: Used in rubber gaskets, hoses, and automotive rubber parts.
Enhances Thermal & Chemical Resistance: Prevents aging and degradation of rubber.
Acts as a Processing Aid: Improves the dispersion of rubber compounds and reduces processing time.
Enhances Smoothness & Printability: Improves surface finish in high-quality papers.
Increases Opacity & Whiteness: Helps in producing brighter and high-gloss paper.
Reduces Ink Absorption: Ensures high-quality printing with less ink usage.
Acts as a Filler & Coating Agent: Used in specialty and lightweight coated papers.
Improves Hardness & Gloss: Used in ceramic glazes and porcelain products.
Enhances Thermal Shock Resistance: Used in refractory bricks and high-temperature applications.
Acts as a Fluxing Agent: Reduces sintering temperature and improves durability.
Used in Talcum Powder: Provides a smooth texture and absorbs moisture.
Matting & Anti-Caking Agent: Used in pressed powders, foundations, and eyeshadows.
Improves Softness & Lubrication: Used in skincare products and baby powders.
Glidant & Lubricant in Tablets: Improves tablet compression and flow properties.
Carrier for Medicinal Powders: Used in ointments and medicated powders.
Anti-Caking Agent: Prevents lump formation in fertilizers.
Carrier for Pesticides & Insecticides: Improves dispersion and stability.
Used in Textile Processing: Provides softness and anti-tack properties.
Enhances Dyeing & Printing: Improves color fastness and texture.
Enhances Smoothness & Lather Formation: Used in premium soap formulations.
Acts as a Filler in Detergents: Improves bulk density and absorption of surfactants.