Maitiro EchigadzirwaSemi GPC (SGPC) inobva pachikamu chekudzivirira kupisa cheAcheson Furnace. Tembiricha yegraphitization iri pakati pemhando dzakasiyana.ye 1700-2500ºC. Ndeye chigadzirwa che themedium temperature graphitization. Inoshandiswa pakugadzirisa zvinhu zvishoma nezvishoma inekabhoni yakasimba, sarufa yakaderera, kukurumidza kunyungudika uye mwero wekunyudzwa kwakanyanya.