Natural Calcium Carbonate for PVC Pipe Industries is a surface-treated carbonate designed to give good dispersion along with good incorporation in the polymer matrix. Jay Minerals supplies Natural Calcium Carbonate for PVC Pipe Industries. Jay Minerals offers industrial grades of calcium carbonate chemicals like micronized calcium carbonate, natural calcium carbonate, natural calcium carbonate powder, calcite powder and coated calcite powder. The Natural Calcium Carbonate for PVC Pipe Industries improves the base properties of polyvinyl chloride by adding stiffness to the polymer matrix and improving impact resistance as particle sizes become smaller.