... , water paint toothpaste and wire and cable. (Product Name) light Calcium carbonate(Performance) white, odorless, tasteless powder, insoluble in water, can dissolve ... .(Use)Widely be use in rubber, plastics, paint water paint,ink ,toothpaste , wire and cable,compounds . ItemIndicatorItemIndicatorParticle size (um)2.8 ... matter of Hydrochloric acid content % ≤0.10Whiteness≥97.0 light Calcium carbonate