... tester 2) test heat sealing temperature, pressure, speed of plastic film & plastic bag etc. Heat Sealing TesterStandards:ASTM F 2029-2000, ... seal strength , heat sealing speed and pressure tec.Application :* Filmsrigid films, shrik films, stretch films, plastic films, plastic composite films, paper-plastic composite ... Our Laboratory: Our team: Heat Sealing Tester(ASTM) for plastic heat seal testing