... machine.film blowing Name:3SJ-G Series Three layer Co-extrusion Rotary Die Film Blowing MachineperformanceThe lines ... vegetables,freshi milk,drink. Features1,Die head is layer type siral mandrel,continuous 360°rotation.2,Screen pack ... 65*1mm65*2mm 70*1mm Screw Ratio L/DL/D28:1L/D28:1L/D28:1 Screw Speed15- ... of Film1000mm1200mm1500mm 3SJ-G Series Three layer Co-extrusion Rotary Die Film Blowing Machine