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
----- Original Message -----
From: "Jim Gammon" <gtpjimgammon@yahoo.com>
To: <datsun-roadsters@autox.team.net>
Sent: Thursday, March 27, 2008 3:27 PM
Subject: [Roadsters] Bumper
> Hey, I was just wondering about my back bumper. The top is pretty rusty.
> To get a good finish, do you just have it rechromed, or do you need to
> smooth it out?
>
> Jim
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