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dadiOH[_3_] dadiOH[_3_] is offline
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Default Protective coating for acrylic painted surface?

Bill B wrote:
I have small wooden box made with basswood, sanded and painted with
white Acrylic paint I want to protect against scratches, dirt, and
being cleaned. The paint is "Delta Creamcoat" white, Blanc, semi-
opaque I got at Michael's artist supplies. It comes in a little white
bottle of a few ounces. I thinned the paint with water and applied
several coats to avoid brush stokes. It looks good but the paint seems
to wash off easily with water so I'm wondering what I might add to
protect the paint from being washed off or scratched. I don't need a
shinny finish, a dull smooth white is fine, but I'm worried if the box
is cleaned with water or Windex, or somesuch, the paint may come off
or get scratched.

I read some articles indicating some sort of wax may help, or possibly
a coat of varnish. I'm doing some experiments now with a scrap piece
of wood and some "Delta Creamcoat" water based varnish but it hasn't
dried yet. Seems like a water based varnish would have the same
problem.


Regular water based paints/varnishes aren't water soluble after drying just
as oil base paints/varnishes aren't paint thinner soluble after drying.
That is because both undergo a chemical reaction as well as solvent
evaporation. There are exceptions...watercolor "paints" for example.

Any surface coat can be scratched,

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dadiOH
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