The product of this lldpe double screw, two layer casting film extrusion machine(JDSJ-50*2 stretch film machine) is widely used for packing architecture and hardware parts etc. Characters: 1. Screw and cylinder are all made of 38 CRMOALA alloy and treates by nitrogen. It has an advantage of corrosion resistance and endurance etc. 2. The cooling device adopts cycle water cooling; provide the best transparent effect of the stretch film 3. Take-up equipment adopts with friction type rewinding and equipment with edge correcting device to ensure the quality. Main Technical Parameters Model JDSJ-50×2 Diameter of screw 50mm×2 L/D 30:1 Width of products 300-600mm Thickness 0.015-0.03mm Output 40kg/h Main motor power 7.5kw×2Heating power 30kw Machine weight 3.5T Overall dimensions 5600 ×2600×1800mm Power supply 380/3/4/50(Volt/Ph/Line/Hz)