... others. Eg. PET, OPP, CPP, LDPE, BOPP* Sheetengineering plastics, rubber, waterproof building materials, and thermal insulation materials, e.g. PP ... , PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles ... 15 days Certificate: Our customer: Our Laboratory: Our team: Heat Sealing Tester(ASTM) for plastic heat seal testing