It adopts three extruder structure, suitable for PP, PS, EVOH, AHD Model No. ... and other material production, for example,PP/ADH/EVOH/ADH/PP structure,EVOH layer is protected from oxygen, ... pressure and extruder rev closed-loop control.C.Five-layer feed box,using flow and the leaves space technology ... , make layer more uniform, never fault after molding drive plug ...