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cleaning brass/bronze fittings

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michael cole12/05/2014 20:23:33
166 forum posts

I have found tucked under my bench, a set of 3 cock gauge fittings in a very heavy corroded state.Brass or Bronze?. I have just dunked them a jar of vinegar to see if they can be recovered. Any other ideals for removing the hard green substance. Also when I remove them from the vinegar apart from a good wash in water anything else should I do?

Thanks

Mike

Tim Stevens12/05/2014 21:28:05
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1779 forum posts
1 photos

I would suggest a complete dismantle, check the condition of the tapers (if they are indeed taps of a sort) and other sealing surfaces, and if OK, grease with silicone grease, put in a polythene bag, and hide them under the bench for the next 20 years.

The green is called 'patination' if you want it, but corrosion if you don't.

Cheers, Tim

Boiler Bri13/05/2014 05:41:25
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856 forum posts
212 photos

You found them so if you clean them and it does not work you have lost nothing?

Try pickling them in acetic acid. Nothing ventured nothing gained!

Bri

Martin Kyte13/05/2014 08:31:43
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3445 forum posts
62 photos

You could try horolene from here:-

https://www.cousinsuk.com/catalog/consumables/clock-cleaning-fluids/fluid-horolene-clock-concentrate

It's designed to clean clocks (brass/non ferrous)

regards Martin

michael cole14/05/2014 16:15:24
166 forum posts

I ended up soaking them in a jam jar of vinager for 24 hours and then put into the dishwasher on a hot cycle. They came out , very clean. The heavy disposits all gone.

Mike

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