mykt materiale
Kalsitt, dolomitt, Kaolin, Barytt, kvarts, talkum, Zirkon Sand, Wollastonite, Coal Powder, lys kalsiumkarbonat, Mica, Bauksitt, Attapulgite, Brucite, bentonitt, granat, magnesium, andalusitt, Pyrophyllite, feltspatt, diopside, rektoritt, Diatomite , Gips, pearlite etc.
hardt materiale
Karborundum, Boron Carbide, hvit Korund, Zirconia, Cerium Oxide, høy temperatur Alumina, silisiumnitrid, Boron Nnitride, Brown Fused Alumina etc.
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