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Heat Shrink Tubing

February 2nd Fact-of-the-Day

Heat shrinkable tubing is widely used to insulate irregularly shaped objects, such as cable spices, to provide cable strain relief, to bundle cables, to provide moisture protection, to provide abrasion protection, and for other purposes. Most people who need some go to an electronic supply house and simply ask for whatever diameter they need. However, there is more to heat shrinkable tubing than diameter. Many types are available with vastly differing characteristics. Common heat shrinkable tubing is initially two to three times the diameter it will shrink to when heated, but some types are initially five to six times their heated diameters. Some types can tolerate extremely hot or cold environments after shrinking, some cannot. Some are damaged by common chemicals; others can withstand strong chemicals. All those varieties are available in a range of wall thicknesses. Prices range widely, depending on these differences. ©2005 Martek International All rights reserved.

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