Black Grit adịchaghị maka ngwa abrasive

Silicon carbide (SiC) na-eji quartz ájá na petroleum coke ma ọ bụ coal tar, osisi ibe dị ka raw material site elu okpomọkụ electric iguzogide ọkụ smelting.There nwekwara a obere ịnweta silicon carbide na ọdịdị, na mo SangShi.Silicon carbide na-akpọkwa. na moissanite.Na dịkọrọ ndụ C, N, B na oxide refractory akụrụngwa na nkà na ụzụ dị elu, dị ka silicon carbide dị ka nke a na-ejikarị eme ihe, otu n'ime ndị kasị akụ na ụba.Enwere ike na-akpọ corundum ájá ma ọ bụ refractory.At now, mmepụta mmepụta ihe mmepụta ihe. Enwere ike kewaa silicon carbide n'ime silicon carbide ojii na silicon carbide na-acha akwụkwọ ndụ akwụkwọ ndụ, bụ kristal isii, ike ndọda nke 3.20 ~ 3.25, microhardness nke 2840 ~ 3320 kg / bụ.