... 2- To produce HDPE,LDPE,LLDPE film etc. 3- High output 4- best quality High speed film blowing machine Its extruder, cylinder and ... to blowing the plastic films like low density polyethylene (LDPE),high density polyethylene (HDPE)and linear low density polyethylene (LLDPE), ... It is widely applied to producing the packing bags for foodstuff, clothing, rubbish bag and vest ones. ModelSJ-50 ...