... die head, infrared radiant heaters, modular Our three layer co-extruded heat-shrinkable blown film line machine includes a three-layer conical ... with PP/PE/PP structure. Accordingly, they are ideal for heat-shrinkable packing of food, beverages, medicine, cosmetics, art ware, stationary, ... : wooden case or nude cargoOuter packing: container Three Layer Co-Extruded Heat-Shrinkable(POF) Blown Film Line