... white, yellow and gray. Polyken 980-20 inner wrap tapePart 1 System descriptionpolyken 980-20 is XUNDA-T-100Inner wrap tape, ... anticorrosion adhesive tape, butyl rubber adhesive tape, Oil or Gas pipeline anticorrosion tapes.polyken 980 inner tape series is ... of underground or overhead pipelines, such as Oil pipeline, Gas pipeline, Petrochemical transmission pipeline, and Waste Water pipeline.polyken ...