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Copper Wire Solder This copper wire solder is self-fluxing (it does contain phosphorus). This solder can have a slight grey color, but is a much better match than silver or low karat gold solders. It even patinas like copper! This wire solder is 1mm thick (18ga). It has a melting point of 1310F (710C) and a flow point of 1460F (793C). Sold in a 5ft length.
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🇺🇸 Ship from USA · On Agora since 2026
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