... -head film Characteristics:1.Die head is lauer type spiral mandrel, continuous 360, rotation.2. Screen ... vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines ... , MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance holding temperature, ... 2*5.8*7.29.0*6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine ...