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About Heat-Shrink Tubing
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Extra-Thick Heat-Shrink Tubing

- Material: Polyolefin Plastic
- Shrink Ratio: 4:1
- Dielectric Strength: 500 V/mil
- Shrink Temperature: 250° F
- Temperature Range: -65° to 230° F
- Specifications Met: UL Listed, CSA Certified
For better protection against abrasion, tears, and punctures, this tubing has thicker walls than standard tubing. Use it to create tight, custom-fit insulation to protect wire and cable.
Dielectric strength is the maximum voltage a material can handle before it starts to break down. The higher the dielectric strength of a material, the better it is for preventing electricity, heat, or signal from dissipating from wire and cable.
For technical drawings and 3-D models, click on a part number.