Walxaha ugu muhiimsan ee walxaha dahaarka acidic, dhexdhexaad ah iyo alkaline

Maaddada dahaarka aysiidhka: isku-dhafka tetravalent SiO2, ZrO2, iwm., siliceous, semi-silica, dhoobo, zirconium, semi-zirconium

Qalabka dahaarka dhexdhexaadka ah: xeryahooda trivalent Al2O3, Cr2O3 iyo bond covalent adag macdanta crystalline C, SiC, aluminium sare, corundum, chromium, carbon, carbide silicon, silicon nitride, iwm.

Qalabka foornada Alkaline: xeryahooda kala duwan CaO, MgO, iwm., magnesia, dolomite, aluminium magnesia, chromium magnesia