... heat sealing temperature, pressure, speed of plastic film & plastic bag etc. Heat Sealing TesterStandards:ASTM F ... , stretch films, plastic films, plastic composite films, paper-plastic composite films,aluminized films, aluminum foil, aluminum composite films, high barrier ... , and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers, ...