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 ... in foreign and Home. The lines can be blown continuous 0.02-0.15mm in the thickness ... HDPE, LLDPE, MLLPE, by horizontal extrusion up blown. The film has good in solution, for instance holding temperature, ...