... :95% size:800mesh for paint,caoting,rubber,plastics Activated Heavy Calcium CarbonateCaCO3 powder, Calcium Carbonatewhiteness: 93-97%purity: ... 3000meshWe are one of Chinese manufacturer. We supply you heavy calcium carbonate and light calcium carbonate, including active and ... products which contains the Heavy Calcium Carbonate are as the following;Pipe, Gutter, Tile, Electric wire, Vinyl sheet, Parts ...