... color: Green Coated steel tape:Telecommunicatoin material. It provides a moisture, chemical barrier, shielding layer and armor for Communication Cable, Fiber optic Cable, Power ... of heat seal of tape--before breakdown happens to coated steel tape or damage happens between film and steel, damage never happen ... without breakdown12corrosion resistance, 0.1mol/L, HCL, 480hgrade8 copolymer coated steel tape