How To Use Heat Shrink Tubing

November 21, 2013 by
Filed under: Cables and Wires, Heat Shrink Tubing, Soldering 

heat shrink tubingWhen it comes to using heat shrink tubing, it is important to correctly use it to ensure that your application will properly be installed according to your needs. Here are some simple tips when using heat shrink tubing.

How To Use Heat Shrink Tubing Properly.

  1. One of the first things that you need to do is measure the exposed joint length which needs to be covered by the tubing. When you have properly measured your exposed joint it is wise to add another 1 inch to either side of it to get a proper fit and an overall length. For example: if your joint is roughly 1″ in length then you will have a total of 3″.
  2. Take some sharp scissors and cut the tubing needed to the length required. When you have cut it simply slide the piece of tubing over the wiring that need to be joined together by either soldering or twisting the wiring together. Please note: do not have your shrink tubing near any heat source, especially when soldering as this may cause your tube to shrink prematurely.
  3. Once you have connected the wiring, simply slide the tubing over the finished joint once it is cooled (if soldered). Then centre it over the electrical connection and wiring so it is even on both sides.
  4. Next take your heat gun and plug it in allowing it to warm up. Once it is ready carefully place it near the tubing running it back and forth until the tubing has shrunk around the wiring. Please note: If smoke arises when heating the shrink tubing pull the heat gun back slightly to reduce burning of the tube.
  5. Lastly you will need to let the heat shrink tubing cool before wrapping a continuous round of electrical tape around the tube covering one end to the other. When wrapping it around simply start about ½ an inch from the shrink tubing on the wire so it can create a water right application with a good mechanical sealing solution.

So if you are looking to use heat shrink tubing with your application, why not follow these simple tips to create the perfect tight seal and cover for your wires each and every time.

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