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Old 08-26-2019, 08:28 AM
55 Tony's Avatar
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Chrome Scratch polish

Anyone have a favorite scratch polish for chrome? Not regular chrome polish, something with an abrasive to work on scratches.


I see Simichrome and AutoSol are popular. I need to do some major polishing of my bumpers, will be using a polisher of one type or another. I may need to use 1500 wet sandpaper first and maybe 2000 after that, then the polish? They will never look like anything near new, but I'd like a little shine between the big scratches and pits.


My 55 is a Rat Rod with a Rat.

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Old 08-26-2019, 07:22 PM
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Unfortunately, chrome scratched is chrome removed. Sanding will only make things worse. Cannot blend chrome like you can aluminum, chrome is a surface plating and thin.

Also is the reason chrome polish, like turtle chrome wax have no abrasives in it.

Scrub hard enough, semi chrome will dull a chrome finish. That stuff is made for aluminum. To make aluminum look like chrome, and it is not that great at doing that.


Pep
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Old 09-25-2019, 07:55 AM
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Just try the Fine Steel Wool on chrome.

Sandpaper is not a good idea.
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Old 09-25-2019, 09:48 AM
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Yes 0000 steel wool is as far as you can go. There is NOTHING that I have ever seen that will allow you to "polish" chrome. Polishing is basically very find sanding, you can do this to paint, to clear coat, yep, you can "cut" a microscopic layer from paint or clear coat. But that paint or clear coat is MUCH thicker than the chrome is! And there is just something about chrome's makeup, I haven't studied Metallurgy so I can't go into accurate explanations of why only that you CAN'T polish out scratches from chrome.

Aluminum, stainless steel, yep, I will repair dents and scrapes in aluminum or stainless with a hammer and pick and then sand it to perfection and polish it, not a problem. You can't do this with chrome, you CAN'T so don't try it or you will be sorry.

The 000 steelwool is as course as I would ever go and that is after the 0000 failed to get something off and the decision is made that some fine scratches is "better" than what is on the chrome that I want to remove.

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Old 09-25-2019, 11:37 AM
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I had tried some "Autosol" polish and it does polish the chrome, but it takes 1 hour to do a tiny little spot using a buffing pad. That is just to make a difference that you can see, nowhere near done. My bumpers are shot, I just thought I'd try something again. The Autosol just may work for someone who has perfect chrome and it is not quite as bright as new. Hey, when they do chrome plating part of the high cost is the polishing, it doesn't come out of the bath that shiny!


I also tried some rigid pads, I forget where I got them or what they are called, but they fit onto an angle grinder. They aren't made for chrome but the abrasive in them is diamond, so yes it's harder than chrome. They also worked but with way too much effort. You have to keep them wet and to do so you have to stick to low speed.



Depending on how things go with my bodywork and paint, I'll decide if I want to get new bumpers some day, or possibly paint them.
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Old 09-25-2019, 10:34 PM
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In the past I have made kind of a "poor man's" jewlers rouge, using Brasso and Arm & Hammer Baking Soda.

I just put a small puddle (about tablespoon worth) in cupped hand and added Baking Soda until it made a paste, and rubbed in scratches with a couple of fingers and muslin cloth until it smoothed them out.
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Old 09-26-2019, 02:59 AM
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Quote:
Originally Posted by 55 Tony View Post
Hey, when they do chrome plating part of the high cost is the polishing, it doesn't come out of the bath that shiny!
There is no polishing after they come out of the bath.
All polishing is done before they are plated.
Copper first then Nickel then the Chrome.
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Old 09-26-2019, 07:21 AM
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Quote:
Originally Posted by Jallopy View Post
There is no polishing after they come out of the bath.
All polishing is done before they are plated.
Copper first then Nickel then the Chrome.
EXACTLY!

Brian
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Old 09-26-2019, 07:28 AM
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Quote:
Originally Posted by Jallopy View Post
There is no polishing after they come out of the bath.
All polishing is done before they are plated.
Copper first then Nickel then the Chrome.

I did not know that ... obviously!
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Old 09-26-2019, 01:46 PM
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You could give this a try then finish up with a non abrasive wax https://www.harborfreight.com/14-pie...kit-98707.html
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Old 09-26-2019, 01:54 PM
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Yep know the process - have an elctro-plater. Sometimes minor issues can be remediated with a little elbow grease, but not always.
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Old 09-26-2019, 02:13 PM
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Quote:
Originally Posted by JeffB28 View Post
You could give this a try then finish up with a non abrasive wax https://www.harborfreight.com/14-pie...kit-98707.html

Nah! Chrome is about 50 X harder than aluminum (exaggerating).


I wish I could stop this thread.
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Old 09-26-2019, 08:25 PM
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I have used 0000 or 00000 steel wool dipped in a pure wax (not a cleaner wax) and it worked okay for what I was doing.
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Old 09-26-2019, 11:10 PM
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Quote:
Originally Posted by 55 Tony View Post
Nah! Chrome is about 50 X harder than aluminum (exaggerating).


I wish I could stop this thread.
At least you now know you cannot remove scratches from chrome. Just put more in, leaving the bumper with a satin finish.

Chrome can be polished, Turtle wax chrome polish, great product. Without paying extra for the hype. Wipe on wipe off. Once upon a time I had a Harley for 44 years, chrome spoke wheels. Polished the spokes, found the TW made that real easy to do.

Pep
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