Scratch Removal
I refinish stainless moldings for cars and have found the following
technique to work for me. I sand the flat trim with an expand-a-wheel
as you have described. I use 700 and then the 1200 grit 3M disks,
avoid the 400 disks if possible (leaves heavy scratches).I have found that a treated sisal wheel and an aggressive emery compound will save you alot of time removing the sanding scratches. I follow with an ventilated wheel with the green compound. If you desire you can follow with loose wheel and white rogue. I have found this technique to work very well, but it is time consuming. The treated sisal buffs are available though Matchless, Caswell should have a similiar product.
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