Lambdagroup offers Heat Shrinkable Tubing with Range 4mm to 150mm. Lambdagroup is an ISO 9001:2000 accredited company. The Heat Shrinkable Tubing with Range 4mm to 150mm that offers a simple and reliable method of applying insulation, protection or covering for a wide variety of electronic and mechanical applications. Heat Shrinkable Tubing with Range 4mm to 150mm is used extensively for cable and wire harnessing, strain relief, insulation, colour-coding, identification and protection against fluids. Due to the nature of heat shrink, it does shrink length wise as well as the diameter. 2:1 heat shrink will shrink 7 percent or less in the axial direction during the shrink process.