Sichwephesha kakhulu ekuveliseni umgca wePVC wepelletizing wegranule, uqulunqwe yi-conical twin screw extruder kunye nezixhobo ezihambelanayo ezihambisa i-pelletizing ezantsi komsinga, ilungele ukwenziwa kwePVC, imathiriyeli ekrwada ngomgubo womthi okanye ezinye izongezo.