Light CACO3 with its bigger sediment volume widely use in rubber, plastics, paint, water paint toothpaste and wire and ... , odorless, tasteless powder, insoluble in water, can dissolve in acid.(Use)Widely be use in rubber, plastics, paint water paint,ink ,toothpaste , wire ... °C% ≤0.4045um(320 mesh)%≤0.30insoluble matter of Hydrochloric acid content % ≤0.10Whiteness≥97.0 light Calcium carbonate