Thank you all.
Jim
Keith0alan@aol.com wrote:
In a message dated 3/27/2008 7:31:46 PM Pacific Daylight Time,
aultgc@att.net writes:
Jim,
"Rechroming" is a three-step process (after the original finish is
stripped):
1. A copper plating, to fill imperfections. (May require multiple
applications with buffing in between.)
2. A nickel plating.
3. The final chrome plating.
The copper is also probably needed to bond to the steel, an dthe nickel to
bond to the copper. But, I'm not a chemist so I don't know for sure.
So, if you send your bumper to a reputable chrome plater, you will get the
pitting, etc., corrected as part of the process. It is possible to
re-chrome without doing a careful job of copper plating and buffing out
imperfections, but the basic steps for correcting such imperfections is
inherent in the process.
Gary Ault
Watch out for chromers that want to grind out the pits. Your parts will end
up paper thin. You are better off with little dimples in the chrome rather than
your bumper ground down to nothing. The key to getting chrome you like is to
talk to the plater and make sure you both understand what is expected. If you
throw your part on the counter, say chrome, and walk out the door there is no
telling what you will end up with.
Copper is very expensive, as is labor. If you want the pits filled with
copper this involves plating and buffing several times. A lot of places won't
do it and the ones that do charge appropriately, usually a lot. That's why they
like to grind the pits out, fast and cheap.
keith
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