Quote Originally Posted by unit View Post
I hate to doubt what I have no experience or data to support...but I would LOVE to learn what analysis was done to define the grit ranges and differences for those strops.

I think the debris floating around in the air in my neighborhood right now is probably coarser than 80,000. I seem to recall reading that pollen contains silicates....
LOL. You just started the latest new fad; Air Stropping

I estimate my backyard air at 90,000 grit. About 500 passes and the pollen in the air will take that edge to a whole new level.