bahan lemes
Kalsit, dolomit, Kaolin, Barite, quartz, Talc, Zircon Keusik, Wollastonite, Batubara Bubuk, Kalsium Lampu Karbonat, Mica, Bauxite, Attapulgite, Brucite, Bentonite, Garnet, Magnesite, Andalusite, Pyrophyllite, Kalium Feldspar, Diopside, Rectorite, Diatomite , gips, Pearlite jsb
bahan teuas
Carborundum, boron Carbide, Bodas Corundum, Zirconia, Cerium Oksida, Suhu High alumina, Silicon Nitride, boron Nnitride, Brown datar alumina jeung sajabana
Diajar deui