Plastemart is B2B website for new and used plastics machines, plastics products, news, recycled plastic and raw50 mm single screw extrusion film plant.The purpose of multi-layer co extrusion film blowing machine is to play theSuch as PP, PE co extrusion film blowing machine, it is using the PP materialBlownMachine Stretch Film vs Cast Machine Stretch Film Blown stretch film is made by through a process called blown extrusion - where the film is gradually cooled by the surrounding air. In contrast, cast machine stretch film or cast stretch wrap is form