three-layer Co-extrusion Rotary Die-head film Characteristics:1.Die head is lauer ... , vertical cutting device, cooling water row pipe, film spreading roller, scrap collecting device.Use:The lines ... from LDPE, HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance holding temperature ... .29.0*6.4*8.2 three-layer Co-extrusion Rotary Die-head film blowing machine