Help me understand all the sandpaper I'll need to buy

I was going to start a new thread but it makes sense to post my question here instead.

What are good paper brands or brand lines to use when sanding bare metal with 80# ahead of spraying epoxy? By good I mean longevity and quality of cut vs cost with an emphasis on longevity and quality,

This thread has answered several questions I had so thanks to all contributors and the OP.

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Emil
 
I was going to start a new thread but it makes sense to post my question here instead.

What are good paper brands or brand lines to use when sanding bare metal with 80# ahead of spraying epoxy? By good I mean longevity and quality of cut vs cost with an emphasis on longevity and quality,

This thread has answered several questions I had so thanks to all contributors and the OP.

-----
Emil
I've seen at least one person here use the super cheap Harbor Freight 80 grit discs for that kind of work. They wear out fast, but they're so cheap it doesn't matter. If you want high quality stuff, 3M, Mirka, Norton, or Eagle all apparently make good paper. You may want to check out my other thread here:


I just placed an order for the 3M blue Stikit paper.
 
So are you doing everything by hand aside from the 8000? That sounds awful!
No. I was answering your question "Can I work with my tools, or I should buy something different?"
If you can't get the right discs for your DA, and didn't want to buy another one, then doing it by hand is a simple solution.
I said earlier in the thread that I use the DA for grits above 1000.
But, I don't think it would be awful doing the grits up to 8000 with a block/hand pad. I doone car per year, max, as a hobby, so my perspective is different than someone doing more than that.
 
I still do it all by hand until 3000 Trizact on the DA. I don't trust myself to not get the DA wobble wave in the clear on the coarser grits. I'm not doing collision though so a little extra time doesn't matter. I can;t imagine being a noob and cutting clear with a DA/RO especially with almost no experience using one.
 
Just an aside, but when the 3M blue paper came out some years ago, our Jobber gave us a bunch to try (80, 180, 320) and we all hated it. Especially the PSA sheetrolls. Just didn't cut like it should. Never have used it since. My 3M sandpaper days are behind me I think.
 
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