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Take a look at the micrographs that Tim posted in the linked thread below recently.

Look at the very edge of Tim Zowada’s (64hrc) hard razor. Notice how about half of the fine stria has been...

If you have a good edge, keep it and see how long it last. All I am saying is be careful of thinning the edge with too much pressure or laps.

Some hard steel can take it, many softer steels can...

“Used the pasted strop pretty hard and heavy doing at least 50 laps before final linen n leather..”

So, be careful with pressure and or excessive laps. Diamonds are aggressive even at high grits...

Most of the powder Chrome Oxide and Ferrous Oxide comes from Kremer Pigments. It is not expensive, though their smallest size in more than you will use in a lifetime. About $10.

There are several...

If you want to remove it all. Spray with WD40 and let sit a few minutes then with a metal or plastic putty knife scrape it all off.

Clean it up residue with WD40 and paper towel. No need to sand...

I have some stick Chrome Oxide, I bought from SRD, years ago, that I think was from Mastro Levi, might have been Hand America. Powder from Kremer Pigment and spray from Hand America, all purchased...