Black corundum

Black corundum e loketse ho sebetsa tšepe, e sebelisetsoang ho senya lehlabathe la khalase, lisebelisoa tsa ho haha ​​​​mehaho ea hardware. Har'a li-abrasives tse tloaelehileng, ho thatafala ha corundum e sootho ho fokotseha hanyenyane. Leha ho le joalo, ts'ebetsong ea ho sila, ts'ebetso e khahlanong le ho sila ea lithollo tsa eona tsa abrasive e ntle, e loketseng bakeng sa ho sila litšepe tse nang le matla a phahameng a thata, tse kang ho sila ka thata le ho sila ka matla a tšepe e tloaelehileng, haholo-holo e loketseng carbon steel, alloy alloy steel, hammoho le ho sila tšepe e entsoeng ka tšepe le boronse e thata.