... .1 Inner tape: (Anticorrosion tape, Anti corrosion tape, Anticorrosive tape) is for anticorrosion of underground, underwater, & overhead pipelines. 1.2 Outer tape: (Protection Tape, Protective Tape) is for ... protection of pipe and the surface of Inner Tape from damages. 1.3 Joint tape: (Polyethylene Tape, Polyethylene Tapes, PE Tape ...