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Soldering Flux

Utility soldering flux, also known as flux paste or copper flux, is the most demanded flux by professionals since 1926. It is mainly intended for copper pipe and fitting sweat work and is also suitable for brass, tin, stainless steel, cast iron, wrought iron and lead soldering applications. Utility flux is lead-free, self-cleaning (requires no surface prep work) and works for all pipe sizes.
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