Thank you for the doing all this testing. The information you've compiled is quite valuable. My current blasting setup is loaded with 270+ beads. I do need something with more tooth to replicate the factory finish after I've done a bunch of metal work. I've been meaning to set up another small cabinet with a blended abrasive media and what you've done here will certainly guide my choice of media.

By the way, not sure if you are aware, but stainless steel once cleaned will passivate by itself merely through exposure over time to atmospheric oxygen. In a week or two the protective layer of chromium oxides will form and the steel will be every bit as passive had it gone through a brief nitric acid bath.

Cheers
Bill

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