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Dave Platt Dave Platt is offline
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Default PTFE covered wire - how to strip off the PTFE?

In article ,
N_Cook wrote:

For high temp applications. The type I have has 2 parts to the PTFE
insulation. The outer strips off easily with any old wire stripper, but
however new , gap limited cutters , will not cut the underlying PTFE.
Outer is double spiral wound PTFE sheet/ribbon I think, heated to lock
together to a certain extent. The inner is more fibrous in nature. Cutting
the remaining inner material , even difficult with a razor. The only
technique I've found, is remove the outer as normal , then .5mm grinding
disc in a Dremmel , only just touching, run all around and then pull off,
rarely cuts a wire strand . Other than some mega-buck NASA/Mil approved
cutter any other ideas?


I've had reasonably good luck on PFTE wire and cable (including the
spiral-fused-tape-insulated type) using a set of "hot tweezer" wire
strippers. Bought 'em used through a dealer in such things who has a
table at a local hamfest every month.

The temperature of the heated stripping element can be adjusted...
anywhere from a gentle warmth which melts through PVC without making
it smoke, up to a literally red-hot glow which will cut through PFTE
down to the underlying wire.

[Using a fume evacuator, or at least a small fan, is a good idea in this
case, to avoid the risk of inhaling the fumes... a nasty respiratory
syndrome can result. Don't do this at all if you keep pet birds
around... they're acutely sensitive to the fumes from overheated
Teflon and etc.]

--
Dave Platt AE6EO
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