PBT-3700 series polyethylene tape outer tape (protective tape, protective tape) is made of polyethylene as the base material and butyl rubber as the adhesive layer through co-extrusion and compounding. Because its base film is thick and wrapped around the outer surface of the anti-corrosion tape (inner tape), it mainly plays the role of protecting the internal anti-corrosion layer. It has strong backing material peeling strength and adhesion to prevent it from being damaged during transportation
