Pipe wrapping tape is consists of two parts: 1. Adhesive: Inner layer of Butyl rubber. 2. Backing: Outer layer of Polyethylene (PE) Plastic. They can be used in underground, submarine and overhead pipelines to protect pipes against corrosion. Product Specification: Type:T-100 series; Color: Black; Thickness:15 to 50 mil Width:2 to 9 inch Length:30 to 120 yard Elongation:300% Tensile:27 to 66 lbs/in characteristic: Constant quality under low or high temperature (-30 to 75 centigrade) Economical long-time solution against corrosion No cracking and no hardening Easy application and short working time Heavy duty adhesive Complies with AWWA (USA) C-214 standard. This kind of tape can be applied by hand or with a wrapping machine.