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-   -   Topcoat for seaplanes (http://www.Wattflyer.com/forums/showthread.php?t=72843)

lbro2u 12-22-2013 10:52 PM

Topcoat for seaplanes
Hi All.
What do you recommend as a clear coat to protect my paint job from splash-downs at the lake/pond/reservoir? Thanks

dgjessing 12-23-2013 03:34 PM

It depends on the paint job & the substrate. Whatever clear finish that doesn't eat it / make it run.

solentlife 12-23-2013 04:42 PM

Graphic artists clear lacquer ... but not the one that smells like Nail Varnish - that has Acetone / Solvents that eats some foams / paints.

But most paint jobs on models - if you applied - should be OK ...

If it's factory paint job - then to be honest - its a difficult one to save as they often use a spray finish that cracks, peels too easily.


lbro2u 12-23-2013 10:13 PM

Okay thanks guys. I did find a lacquer clear coat by Dupli-Color. I applied it in light mist coats. Appears to be no problems. Here's a pic. Also it is my Avatar now.

RCKamikaze 02-10-2014 11:22 PM

Seaplane topcote
I just finished an elaborate water based quad color livery on a Coota amphibian that I bought as replacement foam parts. I remembered a tip from an old foamie manufacturer about using water based polyurethane (Minwax) as a topcoat to fuel proof & protect the paint on their nitro powered foam models. Went to Wally World on the way home from work & they had both full gloss & satin gloss in spray cans. Definately NOT CHEAP, but easy to use & did a great job!! Flash dries in about 30 mins. & full cure in 24 hrs. I have had acrylic painted warbirds "water spot" when it starts to rain at the field.

Jim Casey 02-11-2014 10:44 AM

Water-Based Polyurethane is good stuff. Does not attack foam, is chemically resistant to almost everything, No toxic fumes, easy cleanup until it dries. I use it as a sealer and as a resin for fiberglassing surfaces. Cheaper, safer, and easier to work with than Epoxy. Lighter, too.

cyclops2 02-12-2014 07:40 PM

I agree with Jim.

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