Carbon dị elu na Graphite Petroleum Coke dị mma maka ebe a na-emepụta nkedo refractory
Nkọwa dị mkpirikpi:
A na-eji graphite petroleum coke eme ihe n'ọtụtụ ebe na usoro nkedo pụrụ iche dị ka onye na-ebugharị, ọkachasị n'ichepụta ngwaahịa iron ductile na isi awọ nke nwere ọdịnaya sọlfọ a na-achịkwa nke ọma, yana ngwa ndị ọzọ.