Ceramic fibreboard ndi aluminiyamu silicate fibreboard, yopangidwa ndi zinthu zokanira.Ngakhale zitatenthedwa, zimasungabe mphamvu zamakina.Izi ndi zolimba ndipo zimakhala ndi mphamvu zothandizira poyerekeza ndi bulangeti la fiber komanso kumva.Zopangira zazikulu ndi safiro ndi aluminium oxide ufa.
Nthawi yotumiza: Mar-01-2023
