Welding Flux
In high-temperature metal joining processes like welding, brazing and soldering, the primary purpose of flux is to prevent oxidation of the base and filler materials. Tin-lead solder (e.g.) attaches very well to copper, but poorly to the various oxides of copper, which form quickly at soldering temperatures.
Harris® Solar Flux® S0FB01 Type B Solar Welding Flux, 1 lb Can Container
Harris® Solar Flux® Solar Welding Flux, Type B, 1 lb, Can, Powder, Composition: 6 to 12% Quartz (SiO2), Silver, Odorless, 2000 to 2900 deg F, Applicable Materials: Stainless Steel and Alloys
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Lincoln Electric® ED019586 Lincolnweld 780 Submerged Arc Flux, 50 lb Plastic Bag
Lincoln Electric®, ED019586, Submerged Arc Flux, Series: Lincolnweld 780, 50 lb Container, Plastic Bag Container, Gray, Applicable Materials: Mild Steel
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