TECHSPAN Heavy-Wall Heat Shrink Tubing offers maximum reliability for insulating and sealing electrical connections and terminations, including direct burial, URD, and submersible installations. Rated for 1kV, 90°C continuous use, this tubing features an internally coated dual-purpose thermoplastic liner for excellent insulating and environmental sealing protection. It is ideal for splices, connections, jacket repairs, and terminations, providing superior abrasion and impact resistance. Resistant to common fluids and solvents, it ensures durability in demanding environments.This is TECHSPAN's Heavy-Wall Heat Shrink Tubing with a 3:1 shrink ratio. It has an expanded inner diameter (ID) of 0.750 inches (19.1 mm) and a recovered ID of approximately 0.240 inches (6.1 mm). The tubing is black and comes in standard 4 ft. lengths. It is rated for 600V and 1kV at 90°C continuous use, with a continuous operating temperature range of -55°C to 125°C. The wall thickness is 0.120 inches (3.0 mm). It meets ICEA and NEMA insulation thickness standards, conforms to ANSI C-119.1, and Western Underground Guides 2.4 and 2.5. It is CSA listed (File LR65789) and UL recognized (File E132914 for underground conductors).