1. HDPE, LDPE, LLDPE film blowing machine. 2. Double-head Feature: This machine is used for blowing Low-density polyethylene (LDPE) and high ... and textile industry, etc.Performance and Characteristics: 1) The machine adopts single screw to extrude the material, two die heads to blow ... 3) The die head is plated with hard chrome, of screw mandrel type structure with even and smooth discharging, the blown ...