Heat shrink
Adhesive-lined crosslinked polyolefin, 3:1 shrink ratio. Dual wall and heavy wall, precut and cut length. Seals splices, breakouts, and connector-to-cable transitions.
Approvals and origin
At a glance
- RatioShrink ratio
- 3:1
- TempContinuous
- −55°C to 110°C
- ShrinkShrinks at
- 120°C
- WallsWalls
- Dual and heavy
- PagesCatalog
- 42–45
- BuyBuy
- Online store
Shop a category
Dual wall for sealed splices. Heavy wall for abrasion and strain relief. Precut lengths for battery cable. Kits when you need an assortment.
Two ways to buy
Finished cable
Have it built
A custom assembly arrives with the terminations already crimped.
Custom assemblyFrequently asked questions
If you need something that is not here, ask us: 8am to 5pm AKST, Monday to Friday.
What heat shrink does Polar Wire stock?
Adhesive-lined crosslinked polyolefin, 3:1 shrink ratio. Dual wall and heavy wall, precut lengths and cut length, plus kits. Continuous rating is −55°C to 110°C. Shrink temperature is 120°C. Shop heat shrink on the online store.
Which wall do I use on battery cable?
Heavy wall for abrasion and strain relief on battery and welding cable. Dual wall when the joint needs an environmental seal. Catalog pages 42–45 size tubing to Arctic Ultraflex Blue.
Can Polar Wire shrink it on a finished cable?
Yes. Buy tubing by the piece on the online store, or have Polar Wire build the custom assembly with heat shrink already applied.
Request a quote
Name the part family, the size, and the quantity.