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Key Considerations When Selecting Heat Shrink Tubing
While heat shrink tubing is widely used in life today, many people still don't fully understand its use and selection. In the following, we will introduce several aspects to consider when selecting heat shrink tubing.
Specifically:
First, we should consider how to choose the right size of heat shrink tubing: Selecting the appropriate size requires accurate measurement. Use a caliper or ruler to measure the diameter of both the smallest and largest parts. Choose heat shrink tubing that is 20% to 30% larger than your largest measurement. This extra 20% to 30% will allow space for the tubing to slide over the largest part. Don't forget your smaller measurement to ensure the heat shrink tubing has a sufficiently high shrinkage rate to achieve a tight fit on the smallest part you want to cover. Finally, when ordering, buy a little extra, as some heat shrink tubing also shrinks longitudinally! This measurement method is referred to as the "longitudinal shrinkage" specification.
When choosing heat shrink tubing, there are other important factors to consider: The maximum diameter of the object to be heat shrunk and the temperature range are two important factors to consider when selecting heat shrink tubing. Because the size of these products varies greatly, the heat shrinkage rate is also an important factor to consider. Furthermore, because heat shrink tubing requires external heating to shrink, the temperature resistance of the object being shrunk is also an important consideration.
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