... nature and rheological property.Applications and Usages: Our heavy calcium carbonate widely uses in papermaking,coating,plastic,rubber,cosmetics and ... nature and rheological property.Applications and Usages: Our heavy calcium carbonate widely uses in papermaking,coating,plastic,rubber,cosmetics and ... value:8~10 7,Specific gravity:≥2.78,Absorbed Oil:26.0~29.09,Ignited loss: ≤43.30% Packing:20 ~ ...