CBN Sib tsoo log yog dab tsi? Lub log CBN yog tsim los ntawm cubic boron nitride. Cov khoom siv no yog ib qho ntawm cov ntaub ntawv nyuaj tshaj plaws, thib ob tsuas yog pob zeb diamond. Lub ntsiab feature ntawm cov khoom yog hais tias nws nta ib tug siab abrasion tsis kam thiab thermal conductivity uas tuav nws ntse txiav npoo.