How to Use Heat Shrink Sleeving

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In this video we show how to use heat shrink sleeving or tubing as well as discovering what it is and the applications for which it can be used.
Heat shrink sleeving may be called by a number of names including heat shrink sleeving, heat shrink tubing, electrical heat shrink, and many other names.
Whatever the name used, the heat shrink is a tube or sleeve which can be placed over anything that needs a cover or insulation.
Heat shrink sleeving or tubing can be used for a variety of purposes: insulation, protection against wear, protection against chemicals (although it does not give a perfect seal, and it can be used as an ident, to identify a wire in a wiring loom, cable etc, where different coloured sleeving can be used for the different wires. It can also be decorative, or used for a variety of household jobs.
There are different types of sleeving, but the type most commonly used is made from a polyolefin material and it shrinks at around 120 - 125C. Shrink ratios can be around 2:1 or even 3:1, so when selecting it to go over a wire, etc, make sure it will shrink to provide a tight fit.
A variety of methods can be used to shrink the heat shrink sleeving. In a commercial or manufacturing environment a heat gun would be used. Sadly hair dryers will not normally shrink the sleeving. So at home, a soldering iron can be placed just under the sleeving and its heat will shrink the sleeving. Be careful not to let the soldering iron touch the sleeve otherwise it may burn it. Alternatively a small stove gas lighter or cigarette lighter can be used. Just play the flam over the heat shrink sleeve gently being careful not to burn the sleeve or melt the adjoining wires.
As with any flame or heat source, care must be taken when using it.
More information about how to use heat shrink sleeving can be found at: www.electronics-notes.com/art...
More ideas about electronics manufacture and construction techniques: www.electronics-notes.com/art...
Website homepage: www.electronics-notes.com
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Опубликовано:

14 июн 2024

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Комментарии : 6

@nickrhodes3378 8 месяцев назад

Thank you, very helpful. Is it possible to place multiple tubes of different diameters on top of each other, for increased protection?

@ElectronicsNotes 8 месяцев назад

I have not done this myself, but I cannot think or a reason why not.

@natwooding Месяц назад

How many mm bigger than the cable dimension do I need in order to get a neat shrinking and smooth fit? I would like to seal the entire length of a metal-braided camera shutter cable inside a transparent sleeve. And is it possible to get the surface as uniform and smooth without any wrinkles and dips, like the neatness of the sleeve before it was shrunk?

@ElectronicsNotes Месяц назад

The size needed will depend upon the heat shrink you use. They have different percentage think rates. Often they shrink to around 50% of the original, but this is a very rough rule of thumb. That is why I mentioned into e video to have some shrink that just fits over the cable, etc. In terms of the wrinkles and dips, the shrink sleeving will follow the contours of what is underneath it. Try it and see what you can do.

@natwooding Месяц назад

@@ElectronicsNotesThanks for your reply. I will see what I can do. 🙂