Question: How do I shrink a Raychem heat shrink sleeve?
Answer: You've got a couple of options. First and foremost it is important to know that the backing of the sleeve will begin to shrink once it reaches a temperature in the vicinity of 267F (there is a generalization as some Raychem sleeve backings do shrink at higher or lower temperatures than this).
In any case; the question now becomes; how do I get the backing to reach that 267F temperature? This can be done easily with a small propane (or other) torch. You want to make sure that you have a torch that puts out a 'bushy', broad flame. Acetylene or welding torches will not work well in this role.
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| Bernzomatic torches do an excellent job of shrinking our Raychem heat shrink sleeves. |
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| An industrial hot air gun can also be used to excellent results. |
Otherwise, you also have the option of using a hot air gun of some kind to do the job. It could possibly take a bit longer (depending on the air gun) but ultimately you will achieve the same exact result.
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