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I used to work for Schenectady Chemicals in 1968 we developed solderable self fluxing polyurethane coated enamelled wire, it was an immediate hit and soldered w

by aurizon 8mo ago

I used to work for Schenectady Chemicals in 1968 we developed solderable self fluxing polyurethane coated enamelled wire, it was an immediate hit and soldered well. Times have changed and I left them in 1978, but it might be an item to look for as I found it very handy.

burnt-resistor 8mo ago
Possibly vaguely similar product from a German manufacturer: https://www.sh-wire.de/en/applications/product-range/shsoldr-v155/ https://www.sh-wire.de/en/applications/product-range/shsoldr...
- aurizon 7mo ago
  Yes, urethane decomposes liberating longer chain organic acids which fluxes