3M™ Heat Shrink Thin-Wall Tubing is a heat-shrinkable, flexible polyolefin tubing that offers an outstanding balance of electrical, physical and chemical properties for a wide variety of industrial and military applications.3M Heat Shrink Thin-Wall Tubing is typically used as a shrink-fit electrical insulation over cable splices and terminations. It is also used for lightweight wire harness covering, wire marking, wire bundling, component packaging and fire resistant covering. The tubing is split resistant, mechanically tough, easily marked and resists cold flow. This product meets the requirements of SAE-AMS-DTL-23053/5, Class 1, Class 2 (clear) AMS-3636, AMS-3637, is Underwriters Laboratories (UL) Recognized, File E-39100, at 600 volts maximum at 125C and is CSA Certified, CSA LR38227, at 600 volts maximum at 125C.