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cako82 t1_j5s3b6n wrote

Never used it on stainless steel tho, for stainless I have used zinc anode on marine weathers, the phosphorus acid on carbon steel, was a tip that a chemical engineer gave while ago for treat corrosion prior to apply a protective layer. Appreciate the answer for expanding the uses of the component.

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Shotgun81 t1_j5s64o0 wrote

Hmmm... I've never used it on carbon steel. Cool, I'll have to check it out. If it does apply a protective layer, I would think it does so by pre-corroding the top layers, similar to the galvanic coating on galvanized steel pipes and fittings.

I'd have to look more into it to know how durable the coating is, once it is scratched or worn, it would of course be useless.

Edit: you also have to check the permeability of the corrosion product coating. If it's too permeable it's also significantly less useful.

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