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?

The type of stripper shown he

http://rocky.digikey.com/weblib/OK%2...hoto/ST-500.jp
g

is pretty good with teflon. Sold under various brand names, and also in
different adjustable gauge ranges or in fixed sizes.

For teflon, squeeze fully to cut through insulation, then back off very
slightly to pull off slug.