Brick na -atụgharị uche nhazi ọkwa:

1. Dị ka usoro nkwadebe si dị, a na-ekewa ya n’ime: brik na-agba ọkụ, brik na-enweghị ọkụ na brik jikọtara

2. Dị ka nha na ọdịdị nke brik refractory si dị, enwere ike kewaa ya na brik ọkọlọtọ, brik ndị pụrụ iche, na brik ndị pụrụ iche.

3. Dị ka ọdịnaya nke akụrụngwa nke brik refractory: brik silica, brik semi-silica, brik ụrọ, brik alumina dị elu, brik mullite, brik corundum, brik carbon carbon, brik carbon, silicon carbide brik, aluminum silicon carbide brik. , Aluminom carbide Silicon carbon brik, alumina-magnesia spinel brik, brik magnesia-aluminom spinel brik, brik magnesia, brik dolomite, brik magnesium-calcium, brik aluminum-zirconium, wdg.

4. Dị ka acidity na alkalinity nke brik refractory si dị: brik ndị na-eme ka acid, brik na-anọpụ iche na brik alkaline.

5. Dị ka okpomọkụ nke eji eme ihe, enwere ike kewaa ya: brik ụrọ ọkụ, brik ụrọ, brik alumina dị elu, brik alumina, brik silica, brik corundum, brik magnesia.