Factory Direct selling Heavy Calcium Carbonate for Rubber/ Plastic/ Paint
ITEMS | INDEX |
calcium carbonate content% | 98 |
specific surface area m/g ² | 28~32±3 |
specific gravity g/cm³ | 2.40-2.55 |
average particle size (nm) | 30-80 |
Magnesium Oxide content % | 0.3 |
Iron content % | 0.03 |
Hydrochloric acid insoluble % | 0.1 |
Moisture content & | 0.3 |
Ph value | 8.9 |
DOP oil absorption value gDop/100gCaCO3 | 24-28 |
whiteness | 95 |
activation rate % | 98 |
Discription:
Heavy calcium carbonate, also called ground calcium carbonate, is produced by natural superior calcite, which has high purity and whiteness. The size ranges from under 400 mesh which is called primary products, to 2000 mesh or above, depending on your requirement.
Application:
Heavy (Ground) Calcium Carbonate is widely used as filler and improver in plastic, paint, paper-making, rubber, pharmacy, feed, daily chemical, ceramics, adhesives and ink industry.