... /30/40 milsPolyken Anticorrosion tapes (Cold Applied System) with it s related primer.Inner Wrap, Outer Wrap, Joint Wrap, Primer, ... inner wrap tape and outer wrap tape, primer and Putty.it possesses good insulation, excellent anti corrosive effect, high mechanical ... etc. For efficient and long lasting outer anti corrosion. it possesses good insulation, excellent anti corrosive effect, high mechanical ...