1 products pass ISO: 9001 2 suface coating: polyester one or both side 3 length:1000m,2000m 4 width: ... steel, damage never happen to the heat seal area.9bond strength of tape after putting into water, 68±1 centigrade, 168hside ... , 68±1 centigrade, 168humbrella brand--no bulb, no separationWT-10311dielectric strength, DC 2KV, 1 min--without breakdown12corrosion resistance, 0.1mol/L ...