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Old 09-04-2017, 08:06 AM
AeroDog AeroDog is offline
 
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Default Page 35-03 Painting main gear legs

The build manual is clear: The main gear legs are to be painted with two-part epoxy primer, then painted. The legs are shiny and pitted as a result of bead blasting I'm told. My question regards prep for the primer. Should Alumaprep and Alodine be used or is thorough cleaning enough? (Yes, I used the search function.)

Jerre
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  #2  
Old 09-04-2017, 10:33 AM
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rongawer rongawer is offline
 
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If you're using a modern self-etching epoxy primer; if desired, scuff with a fine grit sandpaper, wipe clean with acetone, mineral spirits, or whatever prep the primer calls for, and prime.
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Old 09-04-2017, 10:39 AM
rvbuilder2002 rvbuilder2002 is offline
 
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Because of the blasting texture, etching with a surface prep containing phosphoric acid (aluma prep, etc.) is the best way to assure a surface that is 100% cleaned of oxidation before primer application.
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