SJ-65 PP film blowing machine set 1.Diameter of screw:Φ65mm 2.L/D ratio of screw: 1:27 Rotation speed of screw stem: 0-120rpm Qyt.&size of die head: Rotating die head,1pcs Φ300mm(High-precision hard chrome plating by quenched and tempered treatment),rotating way:360°rotation Thickness of film: 0.015-0.08mm(Thickness of single layer) Max. reduced dia. of fim:800mm Power of main motor: 22kw frequency variation(EURA), 380V, 50Hz Max.output: 40kg/h Overall dimension: 4500×2800×4500mm