 pre-primer etching?, anyone used Eastwood After Blast? |
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| jmitro |
 Jan 7 2017, 09:06 AM
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Senior Member  Group: Members Posts: 713 Joined: 23-July 15 From: Oklahoma Member No.: 18,986 Region Association: None 
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My car was sandblasted to bare metal inside and out. I used Eastwood After Blast.....supposed to be a cleaner and also etches with phosphoric acid. Will be priming with an epoxy primer.
The problem is now there is a chalky white residue in many areas that has to be scuffed off. This is going to be a much larger time committment than I anticipated. http://www.eastwood.com/eastwood-afterblast.html According to Eastwood, I should be able to prime without any further prep, but obviously this will not work. Any suggestions about removing the residue and prepping for primer? (IMG:http://www.914world.com/bbs2/uploads_offsite/i75.photobucket.com-18986-1483802178.1.jpg) |
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| jmill |
Jan 7 2017, 03:52 PM
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Green Hornet Group: Members Posts: 2,449 Joined: 9-May 08 From: Racine, Wisconsin Member No.: 9,038 Region Association: Upper MidWest |
That white stuff is from the acid. Had the same stuff on a Bug I used Jasco metal prep on. They say you can paint over it but your residue looks to be pretty extreme. I wiped the bug down with a damp rag and didn't get crazy removing every bit of it. Painted over it with epoxy primer and it stuck just fine.
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Posts in this topic
jmitro pre-primer etching? Jan 7 2017, 09:06 AM
mb911
My car was sandblasted to bare metal inside and o... Jan 7 2017, 09:30 AM bretth From what i understand the acid needs to be neutra... Jan 7 2017, 09:41 AM jmitro prep sol looks like a wax/grease remove, not a pro... Jan 7 2017, 12:09 PM Perry Kiehl From what I've read you don't use self-etc... Jan 7 2017, 02:59 PM jmitro that's what I've read also. I'm using ... Jan 7 2017, 03:09 PM Steve Pratel I havent used the Eastwood product, but did use th... Jan 7 2017, 03:32 PM
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