... co-extrusion wide film like three-layer compound plastic shed film, functional film, impermeable geomembrane, etc. out of LLDPE, LDPE, EVA, ... MPE and HDPE materials. It is composed of three extruders, columnar filter screen, three-layer compound die, twin-tuyere air ring, hauling ... makes use of two-station central winding technique, and can work with a folding machine.7. Our three layer co- ...