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Post by Ellis on Nov 9, 2008 20:23:10 GMT 1
Just thought I'd let you all know about my latest foam coating test.
I've taken some SC packing material - so it should be the same as the SC itself - an lightly sanded it with 220 just enough to get rid of those circular dimple marks and dull the surface. I then brushed on a light coat of Minwax® Helmsman® Spar Urethane with a foam pad brush. The styrofoam seemed to soak it up a little, so I brushed it on until it was a light even coat. The next day I very lightly sanded it with 220 and applied a second coat - a bit more liberally.
There has been NO melting or softening of the foam. I haven't tested the adhesion or tape resistance, but am encouraged about the overall finish and it should take Krylon fusion easily. I would think it would be more dent and scratch resistant than paint alone. I'll let you know future test results.
If the adhesion is as good as I hope, this may be a very good thing ;D.
Ellis
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Post by admiralev on Nov 9, 2008 21:09:04 GMT 1
you are a man who needs to get out of the supercub realm. you're going to have 5 of these things all customed out by christmas. let us know how it goes. i vowed never to mess with looks again but there i was last week ordering econokote. always open to new paint ideas  admiral |
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Post by Ellis on Nov 9, 2008 22:03:40 GMT 1
you are a man who needs to get out of the supercub realm. you're going to have 5 of these things all customed out by christmas. let us know how it goes. i vowed never to mess with looks again but there i was last week ordering econokote. always open to new paint ideas admiral Are you kidding? I've only been able to fly the 480 Cub once - for about ten minutes until it too got foggy. This is just research - in case I want to take some tape to the Cub and put a new and improved finish on it. E |
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Post by admiralev on Nov 9, 2008 23:39:30 GMT 1
i tried that...you wont get it all off. it's really frustrating
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Post by Ellis on Nov 11, 2008 0:34:55 GMT 1
Well, the duct tape test worked. No matter what I tried, I couldn't get the urethane to pull off the foam. It also looks like glass! I think Krylon Fusion will bond nicely to it. I'll post a pic or two soon.
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Post by duck9191 on Nov 11, 2008 0:51:54 GMT 1
how does it respond to flexing, does it crack or does it flex with the foam? might try this on my simple stick if it works good.
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Post by Ellis on Nov 11, 2008 1:20:56 GMT 1
It flexes much like paint, but tougher. It may get harder as it cures - I don't know. I'll spray some Fusion on it tomorrow and see how that works. Some pics   |
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Post by admiralev on Nov 11, 2008 3:29:40 GMT 1
wow...that thing looks great. really glossy! let us know how the krylon holds. where did you pick this stuff up?
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Post by Ellis on Nov 11, 2008 4:03:28 GMT 1
wow...that thing looks great. really glossy! let us know how the krylon holds. where did you pick this stuff up? My LHS. And by that I mean Local Hardware Store. I don't have a local hobby shop  . |
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Post by Ellis on Nov 13, 2008 1:55:07 GMT 1
Well, the paint passed the duct tape test with flying colors. ;D
After repeatedly pressing duct tape down and rubbing it, it pulled free with no paint peeling - YAHOO!
I'll post a pic tomorrow of the painted sample with Krylon fusion and Krylon H2o. Neither paint peeled.
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Post by admiralev on Nov 13, 2008 13:48:29 GMT 1
very nice! paint that works!
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Post by Ellis on Nov 13, 2008 19:59:11 GMT 1
Here are a couple pics of the paint test. The black is Krylon Fusion matte or flat finish- works best by far. The white and red are Krylon H20 - messy, doesn't cover as well, drips and splatters. I think this the way to go,just sand the Urethane with 220 before painting. They passed the duct tape test again this A.M.   |
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Post by admiralev on Nov 14, 2008 3:07:25 GMT 1
i found this stuff at the home depot in rattle cans. i wonder how the coverage would compare? seems like overkill to buy a whole gallon of it
what was the gloss on the one you used?
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Post by Ellis on Nov 14, 2008 3:46:53 GMT 1
i found this stuff at the home depot in rattle cans. i wonder how the coverage would compare? seems like overkill to buy a whole gallon of it what was the gloss on the one you used? Yeah don't buy a gal. of it. I bought it in a quart can - satin finish. I think it was about $12 - I'm sure it's several spray cans worth. |
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