High strength and resilience.Resistance to common fluids and solvents as well as high dielectric strength.Adhesive lined polyolefin heat shrink, with a 3:1 shrinkage rate this tube shrinks to 1/3 of its diameter when heated.It is suitable for a wide range of applications, including electrical insulation, strain relief, cable bonding, color-coding and identification.Type: 3:1 Heat Shrink TubingColor: BlackShrinkage Ratio: 3:1Tensile Strength: 14MpaDielectric Strength: 20kv/mmMinimum Shrinkage Temperature: +70 Degrees ℃Features: Useful, Durable, Dual-Wall 3:1 DesignLength: 1.2m/47.24" (Approx.)Diameter: 2.4mm, 3.2mm, 4.8mm, 6.4mm, 7.9mm, 9.5mm, 12.7mm (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x 3:1 Heat Shrink Tubing