The Coated Calcium Carbonate powder is used in plastic compounds manufacturing to avoid moisture contains. Coated Calcium Powder manufactures in Alwar , Rajasthan. Grades. Calcite powder is available from 100 Mesh to 700 Mesh. Calcium Carbonate is also available in granules size. Packing. Available in 50 Kg. Chemical Properties. Properties Info ... Sep 28, 2021 Talcum powder has the same particle size distinction as calcium carbonate, generally 300 mesh, 600 mesh, 800 mesh, 1250 mesh and 2500 mesh. Of course, there are finer ones, and generally used in plastics, 800 mesh and 1250 can be selected.