Soft materiala
Kaltzita, Dolomita, Kaolin, barite, Quartz, Talc, Zircon Sand, wollastonite, Ikatz Powder, Argia Kaltzio karbonatoa, Mica, Bauxita, Attapulgite, Brucite, Bentonite, Garnet, Magnesita, Andalusite, pyrophyllite, Potasioa Feldspar, Diopsidoa, Rectorite, diatomite , Igeltsua, perlita etc.
material Hard
Carborundum, Boro CARBIDE, White Corundum, zirkonazko, Zerio oxidoa, High Tenperatura Alumina, Silicon nitrurozko, Boron Nnitride, Brown osoz uztartuta alumina etc.
Gehiago ikasi