Reply by ArtMann

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Posted on SOS help help

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1483 posts in 2147 days

#1 posted 06-01-2019 02:39 AM

I will tell you the way I did it. It worked out nicely. After sanding the 1/2 inch birch plywood surface to 220 grit, I masked and painted the colored surfaces with rattle can spray paint. It took 3 coats to get the finish I wanted. Then I sprayed the whole top with polyurethane varnish. This took a total or 3 coats. I sanded between the second and third coats with 320 grit to remove the dust nubs. After the third coat, I “sanded” the top surface with a section of brown paper bag. This produced a consistent smooth surface with very small ridges where the color was applied. That is it.

I suspect where you went wrong is choosing lacquer instead of polyurethane as the clear coat. Lacquer thinner is a very powerful solvent and dissolved the color paint as it was applied. Lacquer is also less durable than polyurethane and I would not have chosen it for this application for that reason alone.

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