... , QB/T 2358-1998, ,YBB 00122003Function:To test package heating tempeature range, heating seal strength , heat sealing speed and pressure tec.Application ... waterproof building materials, and thermal insulation materials, e.g. PP, PVC, PVDC, and nylon*Packagespaper, plastics, rubber, paper, paper-plastic composite ... within 15 days Certificate: Our customer: Our Laboratory: Our team: Heating-seal tester