I can't help you find phosphoric acid but I can tell you that one can Drano
crystals in a bucket of water will remove dirt, grease and paint from part and
leaves the surface a dull gray. I'm not sure what it does to rust because the
parts I did were so dirty, I'm not sure they were rusty.
Marty Schlining
57 MGA Coupe
75 MGB
______________________________ Reply Separator _________________________________
Subject: Sources for Phosphoric Acid?
Author: "Sean Johnson" <sean_johnson@milacron.com> at BALT.SMTP
Date: 9/1/95 12:32 PM
A week or so ago, I posted text from an article on metal de-rusting. The
component in the best de-rusters appears to be phosphoric acid.
Unfortunately, I can't seem to find a source for phosphoric acid (in less
than 55 gal drums). Someone said the farm feed stores had acid rinse; tried
that. I can always use Naval Jelly, but it would be nice to have a 5 gallon
bucket I could dip parts in to de rust.
I also received an article stating that tri-sodium phosphate was a good
stripper, and recommended drain opener (brand name Drano) as a source of TSP.
Unfortunately, I could only find Drano in liquid form, and this doesn't have
any kind of phosphate in it.
Anybody know a possible source for TSP or phosphoric acid?
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