Two-layer co-extrusion rotary die head film blowing composite machine unit with rotary machine head is used to blow plastic composite films such as low-density polyethylene (LDPE), high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE).
The composite films can be widely applied to packaging for liquid, printing base materials, exported products and industrial products.   
The die head is lauer type spiral mandral,continous 360,rotation.the air ring is high -performance and double air vent. and the machine is with high speed net changer, double rewinder with superficial.

  Features

1. Two-layer co-extrusion composition films can prolong the preservation period of liquid packages. 2. The cylinder and screw rods of extruder are all made from high-quality alloy steel through precision machining and nitriding, so as to ensure optimal hardness and durability. 3. The auxiliary extruder is provided with a platform worktable to be operated more conveniently, and is equipped with a bubble fixing ring.