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Javelin69 02-05-2012 11:35 PM

Paint stripping...
Hey guys, I was just wondering. I'm using a couple of different paint stripping methods, the 3M purple strip wheel and sandblasting. Will either of these methods give enough tooth to shoot an epoxy primer or afterwards? Or should I hit it with some 80grit on the da sander and hand sand it, after the other methods are done first? Any suggestions? :confused:

deadbodyman 02-06-2012 06:15 AM

yes AND no...when you strip the factory paint off what you'll see is snooth metal with no scratches at all,its always that way so the stripping wheel alone will work and chem strip is the samewith even less molesting of the surface if done well..although I have epoxied over some cars after a good cleaning of the metal and it worked just fine ,most times I will sand with 80 or 180 it just feels rightand if its old steel you should really sand it good and clean it well Ive seen little rust specks and all kinds of stuff under paint..stripping without sanding should really only be done on newer steel...I'd say about no more than 10-12 yrs old ...give or take....

Javelin69 02-06-2012 10:48 AM

ok so, hit it with the stripper wheel, and wire wheels. Then hit it afterwards with 80grit by hand to give it a rough surface, then the epoxy paint hits the metal...

deadbodyman 02-06-2012 02:15 PM

Thats what I would do with the exception of the jambs ,there I'd just use the stripper wheel then epoxy,no sanding....same with the back side of doors, trunk, etc
use a DA sander with the 80 not by hand you'll get a MUCH nicer job , faster too

Javelin69 02-06-2012 06:23 PM

I'd figure go by hand and get better tooth, with the DA it'd be shinier, would'nt it? But hey, ths DA would go helluva lot faster...

Old Fool 02-07-2012 04:52 PM

skip the wire brush treatment, it burnishes the metal, not what you want.

SPI epoxy will go on the sandblasted panels without further surface prep. Just clean and coat.

Javelin69 02-07-2012 05:33 PM

I'm using RM's EP569 Epoxy Primer as well as there DP25 Primer Filler...

deadbodyman 02-09-2012 06:11 AM

R-Ms is a good brand but I'm not familiar with there epoxy,it should be good as it sandable???

Javelin69 02-09-2012 08:35 AM

Say's you can wet sand it with 400-600g or dry sand with 320-400g after it's dried for 8-10hrs.

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