COTRAN HHWT co-extruded heavy wall heat shrinkable tubing with hot melting adhesive is made from radiation crosslinked polyolefin. Specifically designed formulation makes the tubing to have outstanding physical, chemical and electrical properties, and also meet the requirement of RoHS and other environment concerned standards. It is designed for applications to seal and protect electrical splices, cable terminations and joints where electrical insulation and water proof are required. 3:1 shrink ratio allows it easily fit over irregular shape and large connectors.