Someone please answer this ?. Is Minwax Fast Dry Poly Sprayable and if so what are the percentages of Poly to Thinner for an AIR spray gun (1qt. size). Thank you, BRADLEY.
- posted
16 years ago
Minwax fast dry poly, Sprayable??
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- posted
16 years ago
From what I have read, poly is a pain to spray. I think that's why all the big furniture giants spray lacquer, not poly.
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16 years ago
It actually sprays quite well. It even comes in spray cans.
However, it stays tacky a long time and dries slowly, so you have to protect against airborne dust and wait to rub a lot longer. Factories that use it often have ovens or heat lamps to force dry it quickly.
Lacquer:
1.) Becomes tack-free really fast - less dust in tacky finish 2.) Cures (or in lacquer's case, completely dries) really fast = faster ready to rub out defects 3.) Melts one coat into another, so "witness lines" aren't created by over rubbing or fixing defects.On the plus side, if you can keep out the dust, poly won't blush, and it's more durable than lacquer.
Without special spray booths, heat lamps, etc... I'd simply wipe the poly on.
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- posted
16 years ago
I've sprayed poly from an airbrush with heavy nozzle. Don't remember how much I thinned it but it worked fine for a small box. I think the reason that manufacturers use lacquer instead of poly is speed. Poly is more durable but dries slower.
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16 years ago
The furniture company giants spray lacquer because it dries quickly. Faster production.
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16 years ago
Poly is actually easy to spray if you can spray paint. The viscosity is about the same as a quality enamel, and thins to spray as needed, more dependent on your equipment and the temps than the material itself.
As pointed out, the bad news is that build coats are too long in between.
Load some in the gun and shoot a pint or so.
Robert