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Yup. There seems to be a big difference between shapton and norton's grit sizes. The shapton 8k feels noticeably finer than the norton 8k, for example, but the norton 8k is about 3 micron while the...

I always thought .5 micron was 30k grit (JIS)? Or is that only true for diamond abrasive?

I'm using the handamerican stuff. They claim it's 60k grit, but accepted wisdom around here is that it's 0.5 micron. This may be due to the different grit standards.

I've noticed this on pasted clean strops and on repastes. Similarly fresh-pasted wood and repasted wood behaves the same. It's possible that there are flavors of leather (HA red latigo is a...

I think the wood just doesn't hold as much paste as the leather, so it's cutting slower. I've got a theory as to why the edge seems stronger as well, but I'm not sure how to test it.

I've used pastes on leather and wood, and at least IME pasted leather is faster but pasted wood puts on a better edge. I've had a CrO2-on-leather paddle since I started, but didn't really feel the...