Wenol particle size?

Many sources describe both blue and red varieties as not containing abrasive, yet the MSDS sheets for them indicate that they contain aluminum oxide. Chances are it's an ungraded AlOx "flour" of very fine particles, but they probably don't have numbers on the abrasive size for you, much like most buffing/polishing compounds are simply described by the finish they produce rather than by grain size. Your best bet would be to write Reckitt Benckiser, the parent company of Wenol, and see if you can get ahold of someone in their engineering department. But short of doing an assessment yourself with a microscope that data just probably isn't out there because it's not significantly relevant to their intended applications.
 
ToddS ToddS In The Pasted Strop – part 4 you wrote:
Over the past two years, I have tested a variety of other metal polishes on denim strops (Mother’s, Flitz, Simichrome, Wenol, Pikal to name a few) and all have performed and analyzed similarly.
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And in a more recent reply:
> What would you say the predominant D70-90 particle size of aluminum oxide in Wenol metal polish? Or maybe the D-50 average?

I have no data on that, but I would also argue particle size distributions are not useful in this application. Single over-sized particles (1 in 1 million or fewer) can have an enormous negative effect on a hard substrate but won’t show up in PSD measurements.
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Did "analyzed similarly" mean that these all have similar particle sizes, or something more general? I follow your argument regarding the similarity of performance of various compounds on fresh denim strops, as well as the logic of oversize particles on a hard substrate, but I still have an academic interest in the typical particle sizes.
 
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