... for produce various plastic 3,UV 1,Feature&UseThis DJPA machine is a combination 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) ... .It is used for produce various plastic sheets of PP,KPS,HIPS and CT etc.2,Main technical parameters ... put3-4T3.5-6T4-8T Modle Dake DJPA-120 extrusion machine