Ulwazi Lokukhiqiza I-GPC yenziwe nge-coke ye-petroleum e-calcined njengento eluhlaza, bese idlula ekufakweni kwesithombe ngokugcwele kwenqubo ye-graphitization eqhubekayo ngaphansi kwezinga lokushisa eliphezulu elingu-2800℃. Ngemva kwalokho, ngokuchotshozwa, ukuhluza nokuhlukanisa, sinikeza abasebenzisi bethu usayizi wezinhlayiyana ohlukile phakathi kuka-0-50mm ngokwesicelo samakhasimende.