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'Mixing' Acrylic and Enamals

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Chezelwig - 13 Aug 2005 01:06 GMT
I am returning to the model airplane hobby after an abscence of many
years and things have changed.

I have read warnings about not 'mixing' acrylic and enamal paint.  I
would like to paint the fusalage of my P-47N using acylic and the rest
using enamel. I can easily see that you don't want to mix them for
another color, but I was wondering about the exact meaning of 'mixing'.
Acrylics were before my time.

Thanks
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Chez

Arcusinoz - 13 Aug 2005 09:12 GMT
                 I would assume that "mixing"means exactly
that...putting the 2 products together.You certaintly cant paint over
one with the other and create a good finish.I only use Acrylics,I have
never used enamels.I use Acrylics in combination with  Oil paints to
create the effects that i want.
                Best of luck with your return to modelling.
Chezelwig - 13 Aug 2005 14:46 GMT
>                   I would assume that "mixing"means exactly
> that...putting the 2 products together.You certaintly cant paint over
> one with the other and create a good finish.I only use Acrylics,I have
> never used enamels.I use Acrylics in combination with  Oil paints to
> create the effects that i want.
>                  Best of luck with your return to modelling.

thanks!
Signature

Chez

Chek - 13 Aug 2005 13:42 GMT
>I am returning to the model airplane hobby after an
>abscence of many years and things have changed.
[quoted text clipped - 7 lines]
>
> Thanks
You can use acrylics and enamels together - the only problem
is curing time.
Acrylics dry and cure much faster than enamels, so it's easy
to put on say, an acrylic
primer coat, and be overcoating it with enamels after 4-6
hours.
Enamels take much longer (48-72 hours, depending on
conditions) to cure,
and can react when overcoated with acrylic. They can also
cause cracking to appear
in the topcoat as they continue to cure.
For speed, it's easier to stick with one or the other to
apply the main finish.

If getting into modern techniques such as washing, use the
opposite of the topcoat:
that is an enamel wash over acrylic, or an acrylic wash over
enamel.
For this, I find enamel (or oil paints) create a better wash
medium than acrylic, so I will apply a gloss clear
acrylic varnish over an enamel main scheme.

Just be sure to allow enough 'cure' time.
Hope this helps.
Don Stauffer - 13 Aug 2005 15:34 GMT
I have found more problems putting enamels over acrylics than vis versa.

> You can use acrylics and enamels together - the only problem
> is curing time.
[quoted text clipped - 20 lines]
> Just be sure to allow enough 'cure' time.
> Hope this helps.
Chek - 13 Aug 2005 15:47 GMT
> I have found more problems putting enamels over acrylics
> than vis versa.

It can happen, but there's less chance after a coating is
fully cured.
I should also have qualified my advice by saying that I use
an airbrush
- brush painting may have it's own problems.

Chek
 
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