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Copper paint frustration

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  • Member since
    April 2020
Copper paint frustration
Posted by jimmiejump on Tuesday, April 28, 2020 2:53 PM

Rejoined the hobby last year after a 20 year hiatus and enjoying most aspects. However my paint expertise needs some polishing. Recently painted a 51 Belair body copper with a metalic black roof. Painted body with testors copper enamel, waited 2 weeks taped off the body with 3m blue tape and painted the roof metalic black. Taped, painted and unrapped in the span of an hour or so. When I removed the tape from the copper it pulled up some paint here and there. Surface still seems to be smooth but the luster was removed in places. My question is wrong tape, didn't wait long enough for the paint to cure or ?  Looks like the body can be saved however any advice would be appreciated.

 

 

work. Opinions vary welcome, thanks.

 

  • Member since
    December 2003
  • From: Nova Scotia
Posted by Bainford on Wednesday, April 29, 2020 2:19 PM

Copper, much like gold and silver, has a bit of a loose or almost dusty surface. If you mask straight over many silver or gold hobby enamels, the same will happen. I have had good success by applying a clear coat over the gold (or copper, silver, etc). Let it cure fully before applying masking tape over it. 

"It would be unusual, if the unusual didn't occur."

- Steamboat Gariepy

Trevor

  • Member since
    April 2020
Posted by jimmiejump on Wednesday, April 29, 2020 3:10 PM

Came to that conclusion after thinking about it overnight. Will try a light sanding and a re-coat followed by clear coat. Thanks for the reply.

  • Member since
    December 2003
  • From: Nova Scotia
Posted by Bainford on Wednesday, April 29, 2020 4:58 PM

Be aware that metallic paints don't sand well. You can sand solid colours directly, but on metalics, as you sand you cut through the paint 'carrier' and into the metallic particles, resulting in uneven or patchy colour. Additionally, with gold, silver, copper etc, they tend to darken and dis-colour. Typically, metallics need to be clear coated brfore colour sanding. 

You have nothing to lose at this point, so give it a try, but you may have to repaint. Good luck. Let us know how it goes. 

"It would be unusual, if the unusual didn't occur."

- Steamboat Gariepy

Trevor

  • Member since
    January 2017
Posted by 195X on Wednesday, April 29, 2020 9:16 PM

I just recently used Krylon Fusion metallic copper on a rebuild of the old "Big Ten Ford" by Revell. It performed like a dream on bare plastic, no primer. (It's billed as paint and primer in one.) It dries to the touch in about an hour. Fully cured in two days. It is then safe to clear coat and even sands pretty good but, you'll need another coat after sanding. I'll take a daylight pic tomorrow and post if you'd like.

 

My favorite color is clear. I am also ambidexterous, I can screw up equally well with either hand. I am 53 years old and been building for most of that time. :)

On the bench... somewhere. Pink Panther show car, 1978 Dodge Magnum Charger Daytona Midnight edition SE 300. Mongrel T.

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