36 vs. 80

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PostPosted: Sun Feb 11, 2018 7:24 pm
When it comes to stripping paint with a DA, I've read some people like 36, some like 80. I would think the more aggressive, the better. But, is there a risk of 36 being too aggressive? I.E. scratching the metal?
I've been using 36, and plan on using 220 and maybe 400 before I epoxy prime.

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PostPosted: Sun Feb 11, 2018 10:13 pm
If you are using 36 for stripping then go over the metal with 80 grit on a DA before applying epoxy.
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PostPosted: Sun Feb 11, 2018 10:34 pm
:goodpost: I use 36 on an 8" disc sander especially if it has a couple recoats on it. most of the time i'll try and not go down hard to the metal then go with 80 grit on the 8" sander. another thing I use is the black abrasive wheels in 8", they work real good if there isn't a lot of build from a few recoats. the 8" disc sander with a foam pad is the way to go, you can really strip a car fast with one. I have a couple air powered ones and an electric variable speed Makita.
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PostPosted: Mon Feb 12, 2018 9:22 pm
I'm doing the doors with 36. They've been repainted. I'll follow up with 80.
The rest of the car only has the original paint and some kind of light coat of rattle can. I'll try using just the 80 there.
The hood and fenders are new fiberglass. That'll help a bunch. :happy:

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