RectorSeal 12 oz. C-Flux High Quality Solder Flux

C-Flux is a lead-free, soft soldering paste-type flux. It uses a blend of flux and powdered solder (95:5 tin: antimony.) When heated, it lowers surface tension in a joint allowing solder to flow easily and uniformly and providing a strong, leak-free joint. C-Flux can be used with 95/5, 60/40, 50/50, and 40/60 solid wire solders on all solder able metals including copper, tin, zinc, nickel, and sheet lead. Do not use on stainless steel, aluminum or for silver soldering.|Cleans, fluxes and pre-tins the joint area in 1 operation, saving time and money|Smooth consistency makes it easy to apply|Flows smoothly into even the smallest cavity|Lead free and acid free - safe to use on potable water systems|Available in attractive display carton (3 oz. size)