Specification :

Performance indicators
Calcium carbonate ( CaCO3) content, % e 96
pH ( 10% suspension) 9-11
Hydrochloric acid insoluble matter, % d 0.3
Moisture content, % d 0.3
Surface area, cm2 / g 50000
Sedimentation volume, ml / g e 2.0
Top Cut ( D97) , ¼ m d 9.5
The average particle size, ¼ m 3-4
Iron ( Fe) content, % d 0.01
Manganese ( Mn) content, % d 0.008
Residue: 125¼ m sieve, % d
45¼ m test sieve, % d 0
Whiteness ( R457) , % e 94
Oil Absorption ( DOP) ml/ 100g d 35
Activation rate of 95%
Appearance white powder
Usage:
1 Rubber special for all of the calcium carbonate filled polyolefin system, especially for PVC, PE, PP filling system;
2 rubber for all the non-specific calcium carbonate, weakly polar rubber padding system, especially for NR, SBR, IR filling system.