Calcite, Dolomite, Kaolin, Barite, Quartz, Talc, Zircon Sand, Wollastonite, Coal Powder, Light Calcium Carbonate, Mica, Bauxite, Attapulgite, Brucite, Bentonite, Garnet, Magnesite, Andalusite, Pyrophyllite, Potassium Feldspar, Diopside, Rectorite, Diatomite, Gypsum, Pearlite etc.
Carborundum, Boron Carbide, White Corundum, Zirconia, Cerium Oxide, High Temperature Alumina, Silicon Nitride, Boron Nnitride,Brown Fused Alumina etc.