Product Details

Dual wall (adhesive lined) 3:1 heat shrink tubing is made from a specially formulated, cross-linked polyolefin that is co-extruded with a meltable adhesive sealant. It offers excellent electrical, chemical and physical properties. This tough, flexible, flame retardant tubing can be used for electrical insulation, wire bundling, lightweight harnessing, and wire strain relief in a variety of home, commercial, industrial and military applications. When heated and the tubing begins to shrink, the inner adhesive layer begins to melt and flow (similar to hot melt glue). When the tubing has shrunk and cooled, the inner layer forms an adhesion layer between the tubing and the wire or component, providing a protective water-tight seal. It is an excellent way to terminate the ends of your Braided Sleeving, creating a tight, professional finish. The flame retardant jacket of 3:1 heat shrink tubing is in compliance with RoHS, the European directive on the Restriction of Hazardous Substances.

Please Note: Diameters For Heat Shrink Tubing Are Measured as ROUND TUBE, NOT FLAT.

Product Specifications

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• 3:1 shrink ratio (shrinks to 1/3 its original diameter)
• Lengthwise shrinkage approximately 7-9% during shrink process
• Shrink temperature starts at 158°F (70°C), totally shrunk at 248°F (120°C)
• Inner adhesive melt temperature starts at 158°F - 176°F (70°C - 80°C)
• Operating Temperature Range -67°F to 275°F (-55°C to 135°C)
• Flame Retardant Jacket
• High resistance to chemicals and oils
• Rated for 1000v 

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Frequently Asked Questions

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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can fill out the ORDER RETURN FORM HERE. If your return is accepted, we’ll send you the instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products (such as special orders or personalized items). Please get in touch if you have questions or concerns about your specific item. Certain Items will Carry restocking fees for us to take back into our stock, This is due to items being made to order or for being an oversized item.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.