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Paint Peeled of after using Prekote as etching agent

 
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Thruster87



Joined: 16 Apr 2008
Posts: 193
Location: Australia

PostPosted: Sun May 17, 2009 11:14 pm    Post subject: Paint Peeled of after using Prekote as etching agent Reply with quote

Looks like Valspar HS35 two pack acrylic paint doesn't stick at all on to Prekote treated 6061-T6.Just did the wings and the bloody paint peeled off in sheets.All the other bits I alodined and no problems with the Vaspar HS35 paint.It appears that some of the two packs don't like water based etching agents so prior to painting your aircraft do a sample piece first to see how well it adheres.Cheers

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Jugle



Joined: 04 Aug 2007
Posts: 47
Location: Victoria, Australia

PostPosted: Wed May 20, 2009 5:07 pm    Post subject: Re: Paint Peeled of after using Prekote as etching agent Reply with quote

Thanks for the tip.

When I bought some primer the seller was trying to sell me some Prekote. He told me all the RV builders use it, but then they use a lot of clad 2024.

In the Zenith Construction Standards they simply recommend scouring and wiping with thinner.

Glenn.


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Glenn Andressen
601XL- Rudder, Stabiliser parts completed, Wing ribs, nose ribs done, 70% Fuselage parts made.
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