2K Primer?
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Junior User
Joined: Apr 2003
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2K Primer?
Started bodywork on my 56. Blasted and sanded off at least 6 coats of old paint and got it all to bare metal. Got some metal prep and self etching 2K primer (mfg by 5 Star). I don't have a great deal of paint experience (mostly old tractors, trailers and the like) but I have never used any high build primer. When I sprayed this stuff it had a very rough texture. I realize I will need to block sand but is this rough texture normal? I adjusted air pressure and paint flow. I even tried reducing and spraying on some old scrap metal just to see if that would give smoother consistancy. I'd appreciate any advice you might have. Thanks
Admom
Joined: Feb 2001
Posts: 9,414
Likes: 201
From: Silver Springs
Sounds like you're either using too much hardner or got a bad batch of hardener.
I'm using PPG and got a bad hardening agent that gave me the same results. Had to knock it all down to a smooth finish and respray.
I'm using PPG and got a bad hardening agent that gave me the same results. Had to knock it all down to a smooth finish and respray.
Last edited by Carlene; Nov 3, 2003 at 08:43 AM.
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Junior User
Joined: Apr 2003
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Thanks Carlene... I "borrowed" a 2 quart glass mixing bowl from wife so I could insure an accurate mix of primer and hardner. (I am still paying for that little stunt!!) I will try another can of hardner. Thanks again.
New User
Joined: Nov 2003
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Thats what self ecthing primer does. Its supposed to mainly cover rust and finish rough. It would be best to block sand and then apply a primer surfacer, which would be sanded with fine grit 400 and apply the top coat
Posting Guru
Joined: Sep 1999
Posts: 1,022
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From: Pensacola Florida
I'm not trying to be funny as I don't have a clue BUT why would you want to cover rust and end up with a rough finish? I thoght the high fill was supposed to fill small imperfections and have a self leveling feature.
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