... of extruder , calender ,rewinder and electric control console etc…The drum,screw stem,mesh changer and die head are made of high ... quality alloy steel (38CrMoALA)with optimum hardness,strong corrosion resistance and long ... for produce various plastic sheets of PP,KPS,HIPS and CT etc.2,Main technical parameters of equipmentModel DJPA90DJPA105DJPA120Screw90 ...