... smart tension control. High performance winder make sure smoothness of film.Basic parameter:Processing Polymers: PP, PE,PA,PET, PVB, etcFilm ... or parallel twin screw extruder Melt Pump: Standard for casting film Flat head T-die: Manual or Automatic, Cloth hanger flow ... best choice for plastic processing machinery!Welcome to visit our factory in Shanghai! EVA PVB Casting Film Extrusion Line