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Urethane Paint



 
 
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Old November 15th 15, 03:31 PM posted to rec.aviation.soaring
Dan Marotta
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Posts: 4,601
Default Urethane Paint

The paint on my 14 year old LAK-17a looks factory. No cracking or
crazing whatsoever and only a few chips. I'm a believer!

On 11/15/2015 6:17 AM, son_of_flubber wrote:
On Sunday, November 15, 2015 at 4:34:23 AM UTC-5, Paul Crabb wrote:

PU or Acrylic topcoat paint is just used as a very thin UV block, it is usually a very thin layer and is not used to "profile" the surface.

Does the PU protect the gelcoat from temperature related crazing?
Someone told me that gelcoat crazing was attributed to rapid change in temperature associated with flying wave. Once the cracks start moisture penetrates and accelerates the deterioration.

Anyone have a crazed PU painted wing?

Anyone have a better explanation for wing crazing?


--
Dan, 5J

 




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