... stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, aluminum composite films, high barrier films and ... , PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers,Techinical Parameter itemGBB ... Laboratory: Our team: Heat Sealing Tester ( heat sealing test machine)