Soldering Flux Powder


S0211 250g Tub

SKU: S0211 Categories: ,

Soldering Flux Powder:

Flux Powder can be used on all of the common engineering materials (copper, brass, mild steel and stainless steel), Precious metal ( silver, gold) but not aluminium. Working range: 550-800˚C

How to use:

Flux powder should be mixed with water to form a thick paste. Paste should then be brushed onto the joint surfaces before assembly. Further flux should then be applied externally either side of the joint mouth. Hot Rodding is where a warm brazing rod is dipped into flux powder and the flux adhering to the rod is transferred to the joint area. This is an effective fluxing method but difficult to achieve good penetration of capillary joints. It can be used to supplement a pre-fluxed area during heating. It is good practice to mechanically clean and degrease the joint surface before applying flux. Heat slowly and evenly to the brazing temperature, without local overheating. Use the flux as a temperature guide – it will become clear or opaque as brazing temperature is approached. If blackening of the flux occurs this is often a sign of insufficient flux, overheating or flux exhaustion.

We stock a large selection of soldering blocksbrickssolder rods , pastes blocksfluxes & heat paste to make soldering easy.

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