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topic 2348

Market for used electropolishing acid?


Is there a market for spent electropolishing acid. It is a combination of phosphoric acid and sulfuric acid. It is used to polish stainless steel.

Jimmy G. Wade
equipment company - Theodire, Alabama


There could be. Furane catalyst (420 grams/litre H2SO4 & 480 grams/litre H3PO4) is used set furane resin which binds the sand in metallurgical casting moulds. However I don't know what is the effect of the dissolved metals.

Colin Maxwell
- Sydney NSW Australia


Does any one know where I can obtain design drawings and data for a electropolishing system?

Paul E Chorley
- Perth. Western Australia

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