... 3ply inner tape, 3 ply wrapping tape, Polyethylene anticorrosion adhesive tape, butyl rubber adhesive tape, oil or gas pipeline anticorrosion tapes. 3 ply polyethylene tape series is ... pipeline, Petro chemical transmission pipeline.3 ply polyethylene tape Always be used together with 2 ply outer tape. Part 2 Structure3 ply anticorrosion adhesive ...