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→Types of Heat Shrink Tubes https://www.engineersedge.com/instrumentation/shrink-tubing-review.htm
== Types of Heat Shrink Tubes <ref>https://www.engineersedge.com/instrumentation/shrink-tubing-review.htm</ref> ==
[[File:HeatShrink.png|thumb|Colored heat shrink tubes. Image reproduced from [https://commons.wikimedia.org/wiki/File:Heat-shrink_tubing.jpg here]]]
=== Elastomeric Tubes ===
These tubes maintain high flexibility even at low temperatures. They also meet stringent international specifications. Their operating temperature range is -75 to 150 °C, which is sufficiently wide. A common shrink ratio is 2:1.
These, as mentioned above, are most commonly used heat shrinktubes and have maximum use for temperatures from -55 to 135 °C, and are used by the military, aerospace and railway industries. They are manufactured in a wide range of colors (including clear), which can be used for color-coding wires. Polyolefin tubing shrinks at 143°C. Polyolefin heat-shrink tubing typically shrinks 2:1 diametrically, but there are high-grade polyolefin tubes also available with a 3:1 ratio. Interestingly, polyolefin tubing may survive being touched with a soldering iron.
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== References ==