triple bubble line Layer:3--7, Lay-flat:80--600mm, Film thickness:30--100um, Max line speed:50m/min, Output:50kg/h. The line applies to process LDPE, LLDPE, EVA, EAA, EMA, Ionomer MPE, Nylon, EVOH and etc. It is used in production of biaxially orientation co-extruding barrier shrink film, special in production of casing, shrink bag. The line adopts three bubble process to produce shrink film with ...