Tim Shoppa wrote:



Almost all modern enameled magnet wires have Beldsol-type coatings
that are supposed to burn/vaporize at soldering temperatures, yes.


These seem to have a dark red or maroon colouring as opposed to older
enamels which were a golden colour. These are certainly not heat-strippable.
I don't recall the heat-strippable enamels much before the 70s.
Alan