... of the film consists of two faces, for double screw item, one side of film is adhesive ... architecture material and hardware parts. The main components of double layer streth film machine are extruder reducer, cylinder screw, ... heating unit, electric unit. NameYULONG-1000 double layer co-extrusion casting film machineMaterialLDPE, LLDPE ,HDPE, MLLDPE, PP, EVA, PEVA, etcMax width1000mmMax speed50M ...