Limits of stropping?

Stropping is fun and pretty satisfying once you get it down. You can take a meh edge to a wow edge in just a few seconds. I used to not do it as much freehand, only on the WEPS, but after I tried putting the strop down on the edge of a table or countertop and using two hands to strop as opposed to holding the strop and using one hand, my results improved dramatically. I don't know what "grit" the green compound is, but it produces a very nice and aggressive EDC edge.
 
"Green compound" can be either pure chromium oxide (not particularly aggressive half-micron particles) or a mixture of chromium oxide and aluminum oxide. Aluminum oxide is the main ingredient in most any metal polish and is typically sub-micron up to tens of microns in size and also a more aggressive abrasive.

Chromium oxide alone will not remove much metal, but is effective at cleaning up the apex and improving keenness after honing. If you want to maintain the blade you really need to be able to remove enough metal to thin the bevel - you need a strop and compound that removes enough metal to turn black with use.
 
I find I can maintain a good edge by a daily stropping using black/green compound on leather. I use my knife for hours per day cutting light to heavy paper and light card board...they can be very wearing on an edge depending on the "ingredients" in the paper...as well as plastic and cloth strapping.
But my edge starts is very sharp...shaving sharp...and can last for several weeks using only a strop until it requires a full sharpening using my Lansky diamond hones.
 
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