PTFE Heat Shrink Tubing Is Suited for Use with Most Metals and Glass

Because PTFE heat shrink tubing has such a high shrink temperature, you need to make sure the underlying wire or cable is also able to withstand this level of heat. The minimum shrinkage temperature for the tubing ranges between 654 degrees Fahrenheit, to 670 degrees Fahrenheit. Metals which have melting points significantly greater than this temperature range include brass, copper, steel and stainless steel. The tubing also works well when it is applied over glass tubing, as glass has a much higher melting point than is needed to shrink the tubing. In situations where there is an existing layer of coating of PVC or other plastic over the wire or cable, it is better to strip away the existing coating before applying the PTFE, because the existing coating will melt.

There Are Benefits to Using PTFE Heat Shrink Tubing for Your Applications

Using PTFE heat shrink tubing in various industries provide benefits that work with several different applications and processes. A common application of heat shrink tubing is to use it as a coating over cables and wiring. PTFE has corrosion resistance and is chemically resistant, so it will not degrade if it is exposed to certain types of chemicals and other corrosive agents. PTFE also creates a barrier of protection against wetness and moisture. This kind of heat shrink tubing offers excellent insulation properties when used as a coating over electrical cables carrying high voltages. Another suitable application for PTFE shrink tubing is to supply protection to underlying materials any time they are used in extremely hot or cold environments.

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