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  #1  
Old 03-10-2011, 06:13 PM
The Wizzard's Avatar
The Wizzard The Wizzard is offline
 
Join Date: Nov 2009
Location: Cincinnati, Ohio
Posts: 156
Default Etching vs. Etching Primer

Is there any reason to etch the metal if you are using a self etching primer? I use a two part epoxy, Sherwin Williams E2W932. The stuff sticks to anything and it is self etching. Just curious because I am doing the stuff that you can see at this point! I have not been etching anything on the wing or emp build however I am assembling the fuselage and am getting ready to do the final interior painting.
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  #2  
Old 03-21-2011, 12:47 PM
PTI Paint PTI Paint is offline
 
Join Date: Mar 2011
Location: Los Angeles, CA
Posts: 13
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If you are using a self etching primer then there is usually no need to etch the metal. In my experience scuffing and cleaning the metal is always a good idea before applying any sort of primer.
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