1 1/4" 32mm and 1 1/2" (ID) 38mm Polyolefin Heat Shrink Tubing 2:1 Ratio 
(Red Black & Clear)


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  • Material: Made of Polyolefin and the Shrinkable Ratio: 2:1 (Shrinks 1/2 of its original diameter) Measured by the inner diameter (not flat).
  • Operating Temperature: -55° C to +135° C (-67° To 275° F) -  Maximum Continuous Use Temperature: 135° C (275° F) 
  • Highly flames retardant – UL224 125° C - Voltage Rating: 600V
  • UL Listed & CSA Certified – RoHS Compliant
  • Applications: Electrical insulation, strain relief, cable bonding, color-coding, wire marking, corrosion protection, solder insulation, wire bundling, and more