All that was said before - I agree.
I have used pottery supply CrO2 and it was quite good. That normally comes in one pound tubs. You can also use it for polishing brass if you are a reloader. Put a couple of teaspoons in the polisher media.
However, I noticed that you have a LOT of it on the strop. While it shouldn't dull your razor, you don't need that much. Wipe it down a bit - you will be glad you did - much less messy. Also, CrO2 is a poison so don't lick it. ;-} Seriously, keep it away from dogs, kids, etc.
Doing a mesh analysis for something this fine requires a microscope with a counting grid. If you know someone in your local school/college you might be able to get them to count it for you and come up with an approximation. In any case, it should work if it isn't a strange brew of some sort. It looks ok in the pictures.
edit: forgot again... if your razor was dull and you stropped it on the CrO2 and then stropped it as normal and it is now sharp... it might be working. HHT can be a very relative measure.
Last edited by ladykate; 06-22-2012 at 09:54 AM.
Inventor of the world's first safety vibrating Kamisori with night light. Go to http://badgerandblade.com/vb/showthread.php/299465-A-milder-Kamisori: Inventor of the Weckisori - (thanks sychodelix)