Heavy wall polyolefin tubing with a dual purpose meltable thermoplastic liner. High expansion ratios enable a minimum number of sizes to cover a broad range of cable & connector sizes. Tubing provides maximum protection for insulating & sealing electrical connections & terminations. It can be used in most adverse conditions such as direct burial, URD & submersible installations. Tough outer jacket protects against abrasion, vibration & flexing. May be used over lead, steel, aluminum, copper, standard plastic & all elastomeric insulation's of power cables, battery cables & overall repair splices.