... :To test package heating tempeature range, heating seal strength , heat sealing speed and pressure tec.Application :* Filmsrigid films, shrik ... composite films, high barrier films and many others. Eg. PET, OPP, CPP, LDPE, BOPP* Sheetengineering plastics, rubber, waterproof building materials, ... 15 days Certificate: Our customer: Our Laboratory: Our team: Heat Sealing Tester ( heat sealing test machine)