film blowing machine

Specification: Model No. 3SJ-50 3SJ-55 3SJ-60 Screw Diameter 55×2, 60×1 60×2, 65×1 65×2 , 70×1 Screw Ratio(L/D) 30:1 30:1 30:1 Max.Folding Width of Film 1000mm 1200mm 1500mm