PTFE Teflon Tubing has the one of the highest Temperature
ratings among the Fluoropolymers, but using Heat Shrink PTFE Tubing comes at a
Cost… Yes the Heat Shrink PTFE is a
little bit more money than Heat Shrink FEP or PFA but the biggest difference is
how the material shrinks. PTFE is not an easy tube to shrink. Temperatures of
620 F are required for the material to start to shrink and recover, but
elevated temperatures and stress left in the tubing make Heat Shrink PTFE very susceptible
to linear cracking.
PTFE Tubing will turn from a milky white to clear when the correct temperature has been reached in order for the material to start shrinking.
Contact us for more info and tricks on how to shrink PTFE Tubing
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