White corundum abrasive, nke a na-akpọkwa na-acha ọcha aluminum oxide, nwere ezigbo nkwụsi ike nke okpomọkụ, elu okpomọkụ na-eguzogide n'elu 1750 degrees, ịdị ọcha dị elu, mma onwe-ịkọ, ike egweri ike, ala calorific uru, elu arụmọrụ na acid-base corrosion resistance. O gosila onwe ya n'ọtụtụ...
GỤKWUO