REFLECTOR: Paint question
Al Gietzen
ALVentures at cox.net
Fri Jan 20 09:45:33 CST 2006
We've agreed to buy the paint
from Akel Nobel which should eliminate any product compatibility issues.
Here's my question. Cars normally get 3 coats of clear coat. Any
opinions out there on how many coats is enuf for an airplane? I hate to
add unnec weight.
Thanks,
Terry
Terry;
I have no idea about Akel-Nobel (never heard of it and can't find it on the
web); but the PPG paints all use 2-3 coats base and 2 coats clear. So I'd
think 2 full coats clear should be fine.
I think it is a common misconception that the two-stage paints result in
more weight. It is all about total thickness of the cured system. With the
PPG I found that two base coats dried very thin (maybe 2-4 mils) and the
total with 2 full coats of clear was about 7-9 mils. (I measured some
flakes off the adjacent vinyl fine-line tape.) IIRC, the recommended total
thickness for the single stage paints like Awl-grip and Emron is similar.
FWIW,
Al
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