Usage: Film extrusion machine (2 layer)is composed in two extruders and auxiliary parts, the die head and wind-cooling ring can rotate continuously. It can be used for blowing with high and low density polyethylene(HDPE,LDPE), linear low density polyethylene(LLDPE), metallocene polyethylene, etc. through the extrusion die head to form two-layer complex composite film. With greatly improving the physical properties of the films and an increase of strength, so that the films featured in good obstruct properties and air tightness. If the layers are using different colors, the performance and preservation capabilities of the film can be improved. This kind film is widely used in the liquid film, pearl film, composite-based film, heat shrinkable film, tire separation membrane, anti-aging multi-functional film, anti-jamming membrane, impermeable film, stretch film, cable film,etc. Features: 1) 360°non-stop rotary die head 2) Mandrel spiral die head made by CNC Machining Center with mirror polishing. 3) Back-to-Back two station double winder 4) Double winder with auto tension control 5) Manual high-speed screen changer with melt pressure gauge Detail Technical Parameters: Model SJ-50x2/28-BL1400SJ-50x2/28-BL1600SJ-60x2/28-BL2200Co-extrusion Layers 2 Layers2 Layers2 LayersSuitable Material LDPE, LLDPE, mLLDPEMax. Folding Film Width 1300mm1500mm2000mmFilm Thickness 0.04-0.150mm0.04-0.15mm0.04-0.15mmMax. Output 110kg/hr140hr/hr170kg/hrScrew Diameter Ø50x2Ø50x2Ø60x2Screw Ratio(L/D) 28:128:128:1Max. Screw Speed 120r/minMain Extruder Motor 22KWx222KWx230KWx2Die Size Ø250-300Ø250-300Ø300-350Mode of Bubble Cooling Dual Lip Air RingDual Lip Air RingDual Lip Air RingMode of Reversing 360º Rotary Die Head360º Rotary Die Head360º Rotary Die HeadWidth of Auxiliary Machine 1400mm1600mm2200mmWinding Mode Back-to-Back Two Station Double WinderMax. Winding Diameter Ø600