... :CE 2,Process:PVC, PET, PE,PP,ABS sheet plastic sheet extrusion production line( PVC, PET , PP,PE,PS,ABS) One.Introduction The ... plastic sheet or board extrusion production line is mainly used to make PVC, PET ,PE ... wheels. 5. three roll calender adopt level type assembly, verical type assembly or incline type assembly. The calender can freely rise and fall ...