Zomatira ndi yunifolomu viscous colloid mankhwala, amapangidwa ndi mankhwala ambiri refractory ndi zomangira wapadera.Zomatira zimakhala ndi mphamvu yabwino yomangirira mukaumitsa.
Kuphimba amapangidwa ndi ceramic CHIKWANGWANI ndi mkulu chiyero mkulu kutentha oxidization zipangizo, angagwiritsidwe ntchito ntchito zambiri mu 1300 ℃, 1400 ℃ ndi 1500 ℃.
Rigidizer ndi chinthu cha gluey chomwe chili ndi Al-Si.