... For packaging: Heat sealing tester 2) test heat sealing temperature, pressure, speed of plastic film & plastic bag etc Heat Sealing TesterStandards ... 00122003Function:To test package heating tempeature range, heating seal strength , heat sealing speed and pressure tec.Application :* Filmsrigid ... ,aluminized films, aluminum foil, aluminum composite films, high barrier films and many others. Eg. PET, ...