HD-HST is a heavy wall tubing with a dual purpose adhesive/sealant thermoplastic liner. This tubing provides maximum protection for insulating and sealing electrical connections and terminations. It is suitable to be used in the most adverse conditions such as direct burial, URD and submersible installations. The tough outer jacket protects against high impact, abrasion, vibration, and corrosion. HD-HST is chemical resistant.

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