SLB-400 double head film blowing machine is suitable for LDPE ... is more effecient! SLB-400 Double head film blowing machine film blowing machine, double head film blowing machine, PE ... Film Blowing Machine Use: The Double Die Head Two-Color Striped Film Blowing Machine Set ... two sets main motors, two cylinders and one layer die head, feeding by two cylinders. Extruding with one die ...