Ground Calcium Carbonate 325-3000 Mesh for Rubber Plastic Filler

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

• 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: ISO9001, REACH, RoHS compliant
Storage: Keep dry in ventilated warehouse

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