... Filmsrigid films, shrik films, stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, ... , PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers ... 15 days Certificate: Our customer: Our Laboratory: Our team: Heat Sealing Tester(ASTM) for plastic heat seal ...