bahan lembut
Calcite, Dolomite, Kaolin, Barite, Quartz, Talc, Zircon Pasir, Wollastonite, serbuk arang batu, Light Calcium Carbonate, Mica, Bauxite, attapulgite, brucite, Bentonit, Garnet, magnesit, andalusite, pyrophyllite, Kalium Feldspar, Diopside, Rectorite, Diatomit , Gypsum, pearlit dan lain-lain
bahan keras
Carborundum, Boron Carbide, White Corundum, Zirkonia, cerium oksida, suhu yang tinggi Alumina, Silicon Nitride, Boron Nnitride, Brown Fused Alumina dan lain-lain
Ketahui Lebih Lanjut