Plastic film blown machine is using mandrel spiral die head which is made by CNC Machining Center with mirror polishing. Usage: Plastic film blown machine is mainly used in the production of high-density polyethylene(HDPE), low-density polyethylene(LDPE) and linear low density polyethylene(LLDPE) blends of different types of films such as liquid packaging films, composite-based film, shrink film, ...