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Old Oct 02, 2007, 02:30 PM
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Minwax Polycrylic questions

Has anyone had experience with spraying Minwax Polycrylic over a molded foam model? Specifically I was considering using it on an FSK model.

Thx
sp
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Old Oct 02, 2007, 03:07 PM
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Quote:
Originally Posted by sperry
Has anyone had experience with spraying Minwax Polycrylic over a molded foam model? Specifically I was considering using it on an FSK model.

Thx
sp
I've sprayed it on my Eflite P-47 with no ill-effects. I've also used the can version on all my GWS planes. Never tried it on an FSK or Alfa.
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Old Oct 02, 2007, 03:23 PM
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never sprayed it only brushed with a fine brush, works good.
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Old Jul 09, 2016, 12:57 AM
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Holy old threads, I know..

But I've been accumulating quite a few foamie warbirds of late, and I read more and more about Polycrylic. Just how beneficial is it?

And why does the brush cost so much? Surely I can use something cheaper...

I see they have gloss and semi-gloss. I assume I would want semi-gloss..

Thanks.
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Old Jul 09, 2016, 07:06 AM
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Quote:
Originally Posted by Herrsavage View Post
Holy old threads, I know..

But I've been accumulating quite a few foamie warbirds of late, and I read more and more about Polycrylic. Just how beneficial is it?

And why does the brush cost so much? Surely I can use something cheaper...

I see they have gloss and semi-gloss. I assume I would want semi-gloss..

Thanks.
When I bought it last time, there were three options including matte. I find gloss is the easiest to see when sanding so use gloss for all but top coats unless gloss is what I want the final finish to be.

When you consider how much coverage you can get, the expense is justified, at least to me. Price per ounce though is off-putting, I know.

It makes a tough skin on the foam, most effective on eps and extruded foams. More coats as one sees fit.

I've used with with silkspan (apparently no longer made....) on larger airplanes and that makes a great barrier against sunlight raising of the beads. It must be allowed a couple days of curing before sanding and painting for best workability. Newspaper can also be applied, wrinkling is the biggest tendency for the papers so smaller sections used are easiest to smooth out ; wrinkles will sand down after curing though.

I would be leery of the spray can product on eps or extruded styrene. A trial spray on some scraps mostly advisable.
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Old Jul 09, 2016, 07:18 AM
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Minwax Water Based!

Quote:
Originally Posted by sperry View Post
Has anyone had experience with spraying Minwax Polycrylic over a molded foam model? Specifically I was considering using it on an FSK model.

Thx
sp
I have applied the Minwax Prolycrylic WATER based product on various foam models from various makes with great results.

One specific model that really has benefited is the HOBBICO - FLYZONE Millennium Master EP which comes with lots of decals that over time and handling with your oily hands will make these decals come off.

I bought the Minwax Water Based at Super Wal-Mart and unfortunately they didn't have the spray. I did call the TOLL FREE HELP number listed at the rear of the can and the Minwax representative told me not to shake the can and instead use a stirrer device and stir slowly. If you shake the can you will create bubbles and it will be transferred onto your model.

Here is what I did:










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Old Jul 09, 2016, 12:01 PM
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I bought the semi gloss..
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