REFLECTOR: Paint question

[mike deeter]

--- Scott Derrick <scott at tnstaafl.net> wrote:

> Clear coat provides no UV protection.
> 
> Its all in the color coats..
> 
> Scott
> 
> Terry Miles wrote:
> > Thanks Al.
> > Thanks to John T too. It is Akzo Nobel I guess,
> sorry for the 
> > misspelling...but they are just the wholesaler.
> The base primer is a 
> > 2K something, but I think we have different
> numbers after that, and 
> > hardener often is just dry time issues. My point
> was Sullivan paints 
> > wrecked cars for insurance carriers, but that he
> and I could both run 
> > over to A-N and make sure we had compatible stuff
> for the top coat, 
> > since it is all their product line.
> > It's a great deal I have going here. We are across
> the street from the 
> > airport in an industrial park, so we will just
> push it down the block 
> > to the body shop! And when we are all finished up
> with that we will 
> > push it across the street, thru a hole in the
> fence and tuck into a 
> > hangar. (The tower chief is building a Cozy.)
> Don't get no better than 
> > this!
> > Al, I am thinking that a light coat of anything
> that matches my primer 
> > could possibly be enuf, so I told him probably
> only one coat there. My 
> > primer probably doesn't have any UV protect in
> it...so maybe two and 
> > two like you suggested would be a good idea
> afterall. My first 
> > thoughts were since clear coat is pretty thin
> stuff anyway, it would 
> > help with overall appearances and give me some
> durability in case I 
> > got over zealous rubbing off fried/dried bug
> smacks on the leading edge.
> > Thanks, you guys.
> > Terry
> >
> >     -----Original Message-----
> >     *From:* reflector-bounces at tvbf.org
> >     [mailto:reflector-bounces at tvbf.org] *On Behalf
> Of *Al Gietzen
> >     *Sent:* Friday, January 20, 2006 10:46 AM
> >     *To:* 'Velocity Aircraft Owners and Builders
> list'
> >     *Subject:* RE: REFLECTOR: Paint question
> >
> >     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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*******************************************
Mike Deeter
N2011 Test Pilot
iguanamagic at yahoo.com
http://iguanamagic.siegesmund.org
*******************************************