Menene Dabarun Niƙa na CBN? Ana yin dabaran CBN daga boron nitride cubic. Wannan kayan yana ɗaya daga cikin mafi wuya kayan samuwa, na biyu kawai zuwa lu'u-lu'u. Babban fasalin kayan shine cewa yana da babban juriya na abrasion da haɓakar thermal wanda ke kula da yankan gefuna masu kaifi.