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Reply to "Is this wire copper? The add says that it is, but I am not so sure."

@JohnActon posted:

Superwarp, you cannot melt the silicone insulation with a soldering iron and it is highly flexible easy to route around tight curves and spaces. Though the PTFE  insulation is much more resistant to heat than vinyl insulation it is no better than silicone however it does one thing better. It is more resistant to abrasion. I have a stock of marine grade PTFE that I use on my boats but after trying the silicone I prefer it for most uses inside model trains especially inside locomotives.          j

Chuck, sure would be hard to cut a diagonal long enough across the end of such fine wires that would clearly reveal the core but you can scrape through the tinning with a couple of swipes of a sharp xacto blade.  I can clearly see it when I do so but making a photo show what I see is another matter.   Both this and the wire RWL links to likely came from the same chinese factory regardless of the name on the box. The ad in your link is just much more professionally presented. They properly use the term Tinned as opposed to Tinning.  People writing / speaking English as a second language often get the suffix of a word wrong.                         j

In Aviation we only use PTFE coated wiring.  I won't use anything else, but then again most of it I get for free at work.  I only order the really small stuff for engine work and the like.

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