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Painting over *chrome* plated parts?

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  • Member since
    March, 2012
  • From: Marysville, WA
Painting over *chrome* plated parts?
Posted by David_K on Sunday, June 23, 2013 1:06 PM

Hi Guys-

So I'm about to start working on a Revell Sprint Car kit...haven't built a Revell car kit since I was a kid, since I switched over to Tamiya Race Cars.

Anyway, some of the parts on this kit have that shiny "chrome" plastic plating...I'd like to paint over some of it, the wheels, for example, would look better if they were steel or aluminum...and also part of the wing assembly is supposed to be shiny plated on part of it, but then gloss black on another part.

So my question is- do I need to be careful painting over these plated parts with MM Acryl paints?  Should I expect adhesion problems, or would anyone offer advice for prepping the areas to be painted?

Thanks a bunch!

Dave

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  • Member since
    December, 2002
  • From: Valrico, FL
Posted by HeavyArty on Sunday, June 23, 2013 1:16 PM

The paint won't stick very well to the chrome.  The best bet is to strip them in some bleach or amonia.  Let the chrome parts soak overnight in either chemical and it will be dissolved away back to clean plastic.  Wash them off with some soap and water, and you are good to go for painting.

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  • Member since
    March, 2006
Posted by TD4438 on Sunday, June 23, 2013 4:47 PM

I find that acrylic paint works much better than enamel for painting over chrome.

  • Member since
    March, 2012
  • From: Marysville, WA
Posted by David_K on Sunday, June 23, 2013 5:26 PM

Thanks!  I soaked the wheels in some bleach, and the chrome was dissolved in an hour!  There seems to be some kind of yellowish-clear coating on the plastic still....I wonder if that is some sort of surface prep they coat it with to help the chrome stick...and I wonder if it's okay to paint over it, or if I need to get that off, too?

I hardly ever use enamels anymore...so I'm glad to know that acrylics work better for overcoating chrome!

        _~
     _~ )_)_~
     )_))_))_)
     _!__!__!_         
     (_D_P_K_)
   ~~~~~~~~~~~~~
    ~~~~~~~~~~~

Current Project:  Revell 1/96 Cutty Sark

Recently Finished:  Imai Catalan Ship, Heller Soleil Royal

Next Up:  ???

 

  • Member since
    December, 2002
  • From: Fort Knox
Posted by Rob Gronovius on Sunday, June 23, 2013 6:35 PM

That's the lacquer; bleach alone doesn't remove it, just the shiny stuff. I often use Easy Off oven cleaner to remove chrome. Just liberally coat the parts in a zip lock bag and let sit over night. Scrub clean with an old toothbrush. Wear rubber dishwashing gloves because the lye in the cleaner is caustic.

  • Member since
    November, 2003
  • From: State of Mississippi. State motto: Virtute et armis (By valor and arms)
Posted by mississippivol on Sunday, June 23, 2013 7:13 PM

You can also spray dullcote on the chrome. Gives it a dull aluminum look.

Glenn

  • Member since
    June, 2013
Posted by Jtarver23 on Tuesday, July 02, 2013 12:20 AM

Just tried the Easy Off oven cleaner and it didnt even need to let it sit over night. 15 minutes and a toothbrush and I was ready to go.

  • Member since
    April, 2013
  • From: Minnesota City, Minnesota, U.S.A.
Posted by FlyItLikeYouStoleIt on Tuesday, July 02, 2013 12:31 AM

Be sure to get all traces of that Easy Off washed away or your paint will mysteriously flake off sometime down the road.

Bill.

On the bench:  Lindberg 1/32 scale 1934 Ford Coupe and a few rescue projects.

In queue:  Tamiya 1/35 Quad Tractor or a scratch build project.

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Wednesday, July 03, 2013 8:53 AM

I usually use what Glen does.  Dullcoat makes the chrome coating look like aluminum.

However, if I do want to paint chrome, I have had no problems. I use a good primer like Krylon, and have never had adhesion problems over primed chrome (actually a thin coating of aluminum).

Don Stauffer in Minnesota

  • Member since
    April, 2008
  • From: Canadian Prairies
Posted by caSSius on Wednesday, July 03, 2013 2:02 PM

As mentioned above, I use Easy-Off for stripping chrome (and paint).  The chrome usually "dissolves" in less than 5 minutes and tougher (thicker) areas are easily remedied with the old toothbrush that Rob mentioned. A cheap solution that many people already have on-hand.

Brad

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  • Member since
    July, 2017
Posted by DeanFrees on Thursday, January 11, 2018 1:48 PM

I have a question I have some chrome plated parts in my 68 Corvette kit that they ask to tint some of the parts of the engine gold. any idea how to do this?

  • Member since
    September, 2006
  • From: Bethlehem PA
Posted by the Baron on Thursday, January 11, 2018 1:54 PM

Another post resurrected!  Hallelujia! Big Smile

To your question-are those parts chromed?  I would strip them as was discussed above, and then paint them with a gold metallic.  If they're not chromed, of course, you can skip the step to strip them.

I stripped the chrome from the chromed sprues in the old Monogram Red Baron hot rod, by the way, because I wanted to be able to clean up seams and sprue gates on chromed parts (eg, the fuel tank, the helmet roof).  I used the automotive degreaser SuperClean to do that.  I put the sprues in a glass dish and filled it with SC.  It dissolved the chrome in about two minutes.  It left the parts literally squeaky clean, no chrome and no grease on them.  I handled them like any other parts, but sanded and polished them when it came to painting.  I used Krylon chrome to paint them again.

Hope that helps!

Best regards,

Brad

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  • Member since
    July, 2017
Posted by DeanFrees on Thursday, January 11, 2018 2:09 PM
Yes they are chrome plated parts of the engine
  • Member since
    September, 2006
  • From: Bethlehem PA
Posted by the Baron on Thursday, January 11, 2018 2:50 PM

OK, then as I described, I'd remove the chrome and paint then with a gold metallic.

The bigger the government, the smaller the citizen.

 

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  • Member since
    July, 2017
Posted by DeanFrees on Friday, January 12, 2018 9:30 AM
Thanks

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