HST-3 is part of the DSG Canusa range of high-performance heat shrink tubing solutions. It is a flame-retardant, flexible polyolefin heat shrink tubing with a 3:1 shrink ratio. It provides excellent protection of wires and cables in extreme environments, including those exposed to hydraulic fluids, oils, acids, alkaline, and high temperature. HST-3 provides complete environmental protection against water and other liquids, as well as dust and other contaminants. It also provides mechanical protection and strain relief for harnesses and is approved to UL standards.