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