Inkqubo yeMvelisoI-Semi GPC (SGPC) ivela kumaleko we-insulation we-acheson furnace. Ubushushu be-graphitization bukwinqanabaye-1700-2500ºC. Yeyemveliso ye-graphitization yobushushu be-themedium. Isebenza ngokunciphisa iindleko kwaye ingabizi kakhulu.ikhabhoni ezinzileyo ephezulu, umxholo wesalfure ophantsi, izinga lokunyibilika ngokukhawuleza kunye nezinga eliphezulu lokufunxwa.