... 260±0.0150.215±0.0154tensile strength of tapempa310~3905elongation at break%20~356bond strength between steel tape and coatingN/cm ... damage never happen to the heat seal area.9 bond strength of tape after putting into water, 68±1 centigrade, ... jelly resistance, 68±1 centigrade, 168humbrella brand--no separationWT-10311dielectric strength, DC 2KV, 1 min--without breakdown12corrosion resistance, 0.1mol/ ...