Quote:
Originally Posted by Seadweller
Greetings!
As a teen, I used to work with a guy doing full resto's on 50's Thunderbirds, but over that time, never worked with metallic paints. My Boxster is Ocean Jade Metallic, and I have a small scratch on the poly bumper that I'd like to repair. I've attempted the repair 3 times, and every time the end result is a silver fill.
I'm using the Porsche touch-up paint, and I've tried the Langka system, wet sanding/polishing, and the "card swipe" method, and all 3 have yielded the same end result. Is this a case where I have to somehow fill the scratch and level it as best I can while skipping the final step? Problem is, the repair looks pretty bad if I don't level and polish it. I'm puzzled. 
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I am "NOT" a paint expert but:
Wet sanding does not work on single stage or base coats of a metallic paint.
Your sanding the metal flakes themselves and changing the way the light reflects off of them. If your going to wet sand it has to be the clear coat only on a two stage system paint. When you "card swipe" your changing the orientation of the metal flakes. Again changing the way the light reflects off of them. Google wet sanding metal flake paint. lots of info.
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