Detailed Product Description Three-Layer Co-Extrude Film Blowing Machine Performance: 1, Adopts the revolving mold head and ring, up ... motor is controlled by VVVF to ensure the good quality of the film;3, With three layers co-extrution, keep good stability.Parameter ... /800/1400/1600 SJ 65/800/14002, Diameter of screw: Φ 45 / Φ 65 3, Ratio of long diameter: 30:1 4, Output: 80-160 ...