Roadex Chalk Powder
Product Description
Chemical Name: Chalk Powder
Chemical Formula: CaCO3
Description: This is a fine white uncoated Chalk powder. It is processed from white marble.
1. Grade: PS-015
Product Specification
Brightness 96% Min
Whiteness 98% Min
Moisture 0.2% Max
Density 2.68 gram/cubic centimeter
Oil Absorption 25 gram/100 gram Max
pH Value 8-9
Particle Size
Top Cut (D-97) < 8 um
Mean Size (D-50) < 2.0 um
Chemical Analysis of Raw Material
CaCO3 98.98% Min
MgO 0.21% Max
SiO2 0.12% Max
Fe2O3 0.02% Max
Al2O3 0.03% Max
Applications
Paper, PVC Cable, PVC Pipe, PVC Compound, Paints, Rubber Tyre & Tubes, Soap & Detergents, Ceramics, Foods, Adhesives & Sealants
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