Paub Base

5 Kev Siv Tseem Ceeb Ntawm Silicon Carbide

Silicon carbide yog cov khoom siv dag zog uas feem ntau tsis ua rau cov kua qaub. Yog li ntawd, nws muaj hardness siab thiab yog ib qho ntawm ob hom abrasives (corundum, silicon carbide)