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Contact SupplierCalcium Carbonate Powder for uPVC Industry
Product Description:
Siva Sankara Minerals manufactures high-purity, ultrafine uncoated Calcium Carbonate powder, optimized for uPVC (unplasticized Polyvinyl Chloride) applications. Produced in our state-of-the-art German 28-Roller Ultrafine Grinding Mill with premium imported limestone, our CaCO₃ ensures fine particle size, high brightness, and excellent consistency. It is widely used in the production of pipes, profiles, fittings, doors, and windows, improving performance while reducing production costs.
✅ High Whiteness & Brightness – Ensures clean surface finish of uPVC products
✅ Ultrafine Particle Size (D97 ~ 2.0 μm) – Provides smooth processing & superior dispersion
✅ Improved Strength & Rigidity – Enhances impact resistance and dimensional stability
✅ Thermal Stability – Performs well under extrusion and molding conditions
✅ Cost Reduction – Replaces part of expensive PVC resin without compromising quality
✅ Consistency Guaranteed – Reliable supply with uniform quality for large-scale production
uPVC Pipes (Water, Electrical & Agriculture)
uPVC Fittings (Couplings, Bends, Joints)
uPVC Profiles (Doors, Windows, Frames)
Electrical Conduits & Casing
Extruded Sheets and Panels
CaCO₃ Content: ≥ 98%
Brightness (ISO): 95–97%
Top Fineness (D97): ~2.0 μm (600, 800, 1250, 2500 mesh available)
Oil Absorption: Low, ensures smooth extrusion
Moisture Content: