James,
You can buy in welding
shops “pickling paste” it is gelled phosphoric/sulphuric acid for
parts that are to big to dip in a bath.
Cleaning and passivating
is necessary otherwise the coloured stainless will rust.
Emile
Van:
owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] Namens Jim Rudholm
Verzonden: donderdag 30 december
2010 16:06
Aan:
personal_submersibles@psubs.org
Onderwerp: Re: [PSUBS-MAILIST]
Stainless Cleaning Methods
I use
diluted phosphoric acid, a liquid fertilizer, to dip clean,
"passivate", stainless steel parts.
Jim R
On Thu, Dec 30, 2010 at 6:02 AM, James Frankland
<jamesf@guernseysubmarine.com> wrote:
> Hi All,
>
> does anyone have any good suggestions for stainless cleaning
products? Im
> not sure whether to use a nitric acid based cleaning product, or some sort
> of abrasive paste such as autosol. So far most of the stainless ive
cleaned
> up with a sanding disk and very fine wet sandpaper. This is ok for
flat
> items, but ive got awkward shapes now. You can see these two
brackets are
> in need of polishing up.
>
> http://www.guernseysubmarine.com/Extended_files/Page5611.htm
>
> Kind Regards
> James
>
>
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