Waterproof Heat Shrink

The 3M clear adhesive-lined polyoefin heat shrink is flexible and allows for easy waterproofing of solder joints that are exposed to the water. This product starts out with an inner diameter of 0.125 in and after heat is applied it reduces in size to 0.04 in, perfect for the 20 gauge wire used on OpenROV. This item contains enough heat shrink to construct one OpenROV v2.8 kit. 


  • (5) 6 inch lengths (15 cm)

  • Material: polyolefin
  • Shrink ratio: 3:1
  • Inner diameter before shrinking: 0.125 in
  • Inner diameter after shrinking: 0.04 in
  • Adhesive-lined
  • Wall thickness after shrinking: 0.04 in
  • Dielectric strength: 700 V/mil
  • Color: clear
  • Shrink temperature: +250 °F
  • Maximum operating temperature: +230 °F
  • Standards met: CSA LR38227; UL E157227

    Installation Instructions

    Directions on how to seal an electrical connection with this heat shrink.


    Once an order is placed on our webstore, it will ship within 1-3 business days. 

    Taxes: For international orders, please note that it is the responsibility of the customer to cover any import any duties and taxes. You can use this third party online duty calculator to determine what the cost of this fee will be prior to ordering. The harmonization code we apply to commercial invoices is as follows:

    ROV's, parts and accessories: 9503000000

    Batteries: 8507600000

    Apparel (Shirts and Hats): 6109100004

    Once an order has been shipped, please allow up to: 

    1 Week for Domestic (US) orders to arrive. 

    2 Weeks for International orders to arrive. Please note that every countries' customs offices process orders at a different pace. 

    Once your shipping label has been printed in our warehouse, you will then receive an automatic email containing a tracking number, and an invoice that you can use for accounting purposes. For international orders a commercial invoice is affixed either physically, or electronically to the package for the customs agents to access.