Handy Flux Paste for Soldering and Annealing gold, silver, brass or copper
Utilized by silversmiths, this durable white paste flux won't separate from prolon heating ..
Use when soldering or brazing gold, silver, metal, copper and other non-ferrous metals; compelling from 1,100°–1,600°F (593°–871°C).
Contains fluorides, potassium and hydroxide.
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