[TheForge] black pipe

[James Binnion]

Thats why I like citric acid, it is a common food ingredient, it ships and stores as a dry powder and it doesn't stink like vinegar.


On Jul 30, 2011, at 12:55 PM, Bruce Freeman wrote:

> Any acid.  For greatest safety, use vinegar with a bit of liquid
> detergent mixed in to dissolve any oil film.  Leave it overnight and
> check it.  Too long will etch the steel, but onlyslowly.  This mix has
> the advantage of low toxicity and low corrosivity.  If your dog is
> dumb enough to drink it, it won't kill him but it might make him wish
> he were dead for a while.
> 
> On Sat, Jul 30, 2011 at 3:05 PM, James Binnion <jbin at well.com> wrote:
>> Citric acid works as well
>> On Jul 30, 2011, at 10:55 AM, Andrew Vida wrote:
>> 
>>> Hydrochloric acid removes it rapidly.  Ferric chloride and vinegar work
>>> more leisurely.  Remove all grease and oils from surfaces prior, of course.
>>> 
>>> On 7/30/2011 12:45 PM, Mark and Sylvia Mondloch wrote:
>>>> I have to clean the black coating off of some black pipe. I would like to
>>>> wash it off before I sandblast and paint it. Any suggestions ? Thanks, Mark
>>>> 
>>>> Mark and Sylvia Mondloch
>>>> Silver Creek Pottery&  Forge
>>>> mondloch at silvercreekpottery.com
>>>> www.silvercreekpottery.com
>>>> 
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>> 
>> James Binnion
>> jbin at well.com
>> 
>> 
>> 
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> 
> 
> 
> -- 
> Bruce
> NJ
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James Binnion
jbin at well.com