1. SGS and DVGW certificate 2. Underground life can be 30 years. 3. The size can be cut according to customer's demand. Anticorrosion butyl rubber tape tape/ pipe wrap anticorrosion tape/ pipe wrap butyl tapeDescriptionAnticorrosion butyl rubber tapeXUNDA-T-100 series is Cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Water underground or overhead ...