... YBB 00122003Function:To test package heating tempeature range, heating seal strength , heat sealing speed and pressure tec.Application :* Filmsrigid films, ... thermal insulation materials, e.g. PP, PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite, glass, and ... Certificate: Our customer: Our Laboratory: Our team: Heat Sealing Tester(ASTM) for plastic heat seal testing