The Whiteness Of Heavy Calcium Carbonate Is ≥92%- Rubber And Plastic Filler Coatings And Body Pigments
Ground Calcium Carbonate 325-3000 Mesh Rubber & Plastic Filler Coating Extender Pigment
Product Introduction
Ground Calcium Carbonate (GCC) is produced by mechanical crushing and classification of high-quality natural calcite. Available in 325 to 3000 mesh sizes, this white powder features high brightness, uniform particle size distribution and excellent chemical stability, making it an ideal functional filler for rubber, plastics, coatings and other industries.
Molecular Formula
CaCO₃
Key Applications
- Plastics Industry: Filler for PP/PE/PVC to improve dimensional stability
- Rubber Products: Reinforcing filler for tires/hoses to reduce costs
- Coatings: Extender pigment for water/oil-based paints to enhance coverage
- Papermaking: Coating pigment for art paper/board to increase whiteness
- Construction: Functional additive for sealants/tile adhesives
- Others: Toothpaste abrasive, feed calcium supplement etc.
Technical Specifications
| Parameter |
Specification |
| Brightness |
≥93% |
| CaCO₃ Content |
≥98% |
| Oil Absorption |
18-28ml/100g |
| Moisture |
≤0.3% |
| HCl Insolubles |
≤0.2% |
| Residue (325 mesh) |
≤0.5% |
Packaging
- Standard: 25kg/bag (PE liner + woven bag)
- Customized: 500kg/bag or jumbo bags available
Certifications & Storage
Certifications: ISO9001, REACH, RoHS compliant
Storage: Keep dry in ventilated warehouse
MOQ: 10 tons
Why Choose Us?
High-purity products, in compliance with international standards
30+ Years Chemical Manufacturing Experience
Strict QC with Batch Traceability
Global logistics, supporting sea and air transportation
Technical support, providing customized solutions
Factory direct supply, with strong price competitiveness