Sandblasting Question??? again
Senior User
Joined: Nov 2003
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From: northern Ky
I'm not sure about the zero rust product, but I don't think any further prep is necessary for a self etching or epoxy primer, as long as it's done fairly soon after the sandblasting. (same day)
marc
marc
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Senior User
Joined: Jan 2004
Posts: 423
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From: Northern Virginia
Got a different nozzle and Dadman Gun and everything works great now. Paint stripping off like magic so this weekend I will blast the frame.
Hey do any of you guys blast the axles??? or leave that alone?
Hey do any of you guys blast the axles??? or leave that alone?
Senior User
Joined: May 2003
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Don't sandblast the obvious 
That is, be careful around the spindles, don't blast the drum faces (where the shoes meet the drum, I used duct tape on these fwiw), bearing and seal locations, etc.
The abrasives can pit the metal which will have deliterious effects!
Bob
That is, be careful around the spindles, don't blast the drum faces (where the shoes meet the drum, I used duct tape on these fwiw), bearing and seal locations, etc.
The abrasives can pit the metal which will have deliterious effects!
Bob
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Senior User
Joined: Jan 2004
Posts: 423
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From: Northern Virginia
how much did it take anyone to sandblast.
It took me a 100 pound bag to do a stinking running board.
How long did it take someone to do a frame and how many bags did it take??
It took me a 100 pound bag to do a stinking running board.
How long did it take someone to do a frame and how many bags did it take??
Senior User
Joined: Nov 2003
Posts: 279
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From: northern Ky
If you do a really thorough job on something with a big buildup of old paint etc. it can take a lot of time and sand as you found out. A suggestion would be to go over it first with a grinder or wire wheel, anything to give the sandblaster less work to do.(sandblasting will take out many of the grinder marks you might leave)
marc
marc
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Senior User
Joined: Jan 2004
Posts: 423
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From: Northern Virginia
I was thinking of spraying a layer of stripper to loosen the paint.
God, the previous owner layered a whole bunch of bondo in this dent instead of pulling or hammering the dent out. The guy must of had an inch of bondo in this dent.
Sandblasting can really tell on you.
God, the previous owner layered a whole bunch of bondo in this dent instead of pulling or hammering the dent out. The guy must of had an inch of bondo in this dent.
Sandblasting can really tell on you.
Senior User
Joined: Nov 2003
Posts: 279
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From: northern Ky
Stripper works great on bondo - saves making a lot of dust by not having to grind it out. Load the stripper on, cover it up right away (with garbage bags or something) to keep the chemicals in the stripper from evaporating, and give it a few hours to work. A rigid putty knife or gasket scraper will dig the old filler out quick!
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