SJSZ series conical twin screw plastic extruder 1.directly convert thermoplastic expecialy RPVC powder into plastic products SJSZ series conical twin screw plastic extruderMain Technical Parameter SpecificaSJSZ45SJSZ51SJSZ55SJSZ65SJSZ80SJSZ92Diameter ... ,such as Schneider, Yaskawa, Simens,Omron, ABS, etc...---Material of screw and barrel: 38CrMoAlA Azotizing on surface 0.40.7mm Rigidity: above 700 ...