... test heat sealing temperature, pressure, speed of plastic film & plastic bag etc. Heat Sealing TesterStandards:ASTM F ... Filmsrigid films, shrik films, stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, ... , rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers,Techinical Parameter itemGBB-HGBB-AGBB ...