Topica Loopframe_Guzzi Archive


Subject: RE: chrome removal

Author: Ross

Date: Jul 13, 2005, 4:19 PM

Post ID: 1719158054



High or low pH will also strip chrome (notice your pipes or mufflers and the
damage sulfuric does to them), the electrostrip is quicker, more even. But
hexavalent chrome is very nasty, and unless you want to reduce it to
trivalent, I wouldn't bother with this. Disposal is an issue also,
residential is not regulated yet for logistical reasons, but it isn't nice
to drop hexavalent or trivalent down your drain. And waste haulers want
trivalent (it precipitates and is filterable), or a lot of money for
hexavalent. Let chrome shops do their job.
As for painting over chrome, sandblast, sand, or whatever to rough the
surface so the primer will adhere. Wear respiratory protection, although I
am not sure of the health hazards of solid chrome v ionic, no one needs
metallic dust in their lungs anyway.

K. Ross Raymond
Phoenix, AZ, USA
1971 Ambassador LAPD
1975 Norton Interstate (Nearing completion someday)
1969 Triumph T-100 (Project)
1998 Ariel (after the Sq. 4, not the mermaid)


-----Original Message-----
From: Greg Bender [mailto:gr-@thisoldtractor.com]
Sent: Wednesday, July 13, 2005 2:08 PM
To: Loopfram-@topica.com
Subject: RE: chrome removal

Hi Ted,

I, too, have been interested in a chemical or electro-chemical approach
to chrome removal. There isn't much information online about homemade
techniques and I have to think at least one reason is the health hazard.
I recently found an article online describing how to strip
electrochemical plating (like chrome, nickel, and brass). I've not tried
it, but it sounds promising. Here is the link in case you are
interested:

http://www.docv.org/articles/strip.htm

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