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Sandable primer question
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WC7610 View Drop Down
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Joined: 11 Sep 2009
Location: Sioux City, IA
Points: 764 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WC7610 Quote  Post ReplyReply Direct Link To This Post Topic: Sandable primer question
    Posted: 31 Dec 2010 at 5:49pm
Working on a gas tank and hood for AC with a lot of rust pitting.  After removing the paint sanding/grinding, the pitting is still too much to leave as is and paint.
 
Any suggestions for a good sandable primer to fill in some of this pitting?  I'm using Dupont epoxy primer on the rest of the tractor-do I need to put this epoxy on first or should the sandable stuff be on bare metal?
 
I also thought of using a thin layer of body filler and then sand down to fill in these pits?
 
Any suggestions appreciated.
Thanks



Most Bad Government has grown out of Too Much Government- Thomas Jefferson
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Denis in MI View Drop Down
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Joined: 15 Sep 2009
Location: Norvell, MI
Points: 832 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Denis in MI Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2010 at 6:05pm
Body filler or glazing putty will save you alot of time and troublt over painting and sanding to get rid of those pits.
 
just my opinion,
Denis
1938 B, 1945 B, 1941 IB, 1949 C, 2 1938 WCs, 3 1950 WDs, 1951 WD, 2 1955 WD45, 1957 D-14
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Toscani View Drop Down
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Points: 13 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Toscani Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2010 at 6:58pm
sandable primer does not stick well to bare metal,use your epoxy then fill with primer or a glazing putty,depending how bad the pits are ,try 4 good coats then sand to see if you burn through to metal before pits are gone if u do use the putty
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Jack(Ky) View Drop Down
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Points: 1153 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack(Ky) Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2010 at 10:23pm
I have been using an epoxy high build primer made by Acme and I really like it. I have been doing bodywork either full or part time for 40 years and the materials have really come a long way. This primer is a self etching primer so you can put it directly on bare metal. Only a few years ago you had to use a self etching bonding primer and then put the high build on top of that. If you want the part #  I can put it on here or PM me.JP 
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