Cleaning Copper the Easy Way

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Re: Cleaning Copper the Easy Way

Postby B-Man » Sat Aug 22, 2020 1:11 pm

i read the bottle of CLR and it says not to use it on copper???
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Re: Cleaning Copper the Easy Way

Postby Chriss » Fri Sep 04, 2020 2:11 pm

Indeed, Diggers CLR removers says do not use on copper. www.recochem.com.au
41g/L Sulfamic Acid UN 3264
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Re: Cleaning Copper the Easy Way

Postby Sam. » Fri Sep 04, 2020 10:03 pm

Probably cleans it too well, ie pits it
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Re: Cleaning Copper the Easy Way

Postby OzDistilling » Fri Nov 27, 2020 9:25 pm

CLR can be a toxic cocktail. It can contain;
    water
    lactic acid
    gluconic acid
    lauramine oxide
    propylene glycol
    n-butyl ether
    glycolic acid
    sulfamic acid
    disodium capryloamphodipropionate
    ethylene glycol n-butyl ether
    citric acid

Industry uses either sulphuric or nitric acid (10-40%) plus 1:10 addition of Hydrogen peroxide (10%) and some propylene glycol for spotting resistance, all food safe Rinse well after treatment, alkaline passification is not needed.
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Re: Cleaning Copper the Easy Way

Postby Sam. » Fri Nov 27, 2020 10:42 pm

OzDistilling wrote:CLR can be a toxic cocktail. It can contain;
    water
    lactic acid
    gluconic acid
    lauramine oxide
    propylene glycol
    n-butyl ether
    glycolic acid
    sulfamic acid
    disodium capryloamphodipropionate
    ethylene glycol n-butyl ether
    citric acid

Industry uses either sulphuric or nitric acid (10-40%) plus 1:10 addition of Hydrogen peroxide (10%) and some propylene glycol for spotting resistance, all food safe Rinse well after treatment, alkaline passification is not needed.


Mate you realize this is a hobby forum?
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equipment: Original FSD 5 plate 4 inch modular bubbler SSG with hand crafted plates and parrot by Mac.
18 Gal boiler.
2 x 2400W elements and power controller.
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Re: Cleaning Copper the Easy Way

Postby Permaclutter » Sat Nov 28, 2020 5:26 pm

It is fun to try to say the third to last one.
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Re: Cleaning Copper the Easy Way

Postby bluc » Sat Nov 28, 2020 5:36 pm

:laughing-rolling:
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