What is the abrasive material in Edge Pro Polishing tapes

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hiby123joji

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Jan 13, 2017
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I am curious as to what the abrasive material in edge pro polish tapes. I know that the 6,000 grit particle size is .25 micron and most standard abrasives tend not to be that fine (other than diamonds). Im looking into getting the edge pro system but I want to know if I should stick with using my strops with diamond paste and cbn emulsions for polishing. Most of the steel I use tend to have high vanadium content ,and as far as I know vanadium carbides have an hrc of around 80-85 so I was wondering how well will the polishing tapes cut something like S110V.
 
hiby123joji said:
I am curious as to what the abrasive material in edge pro polish tapes. I know that the 6,000 grit particle size is .25 micron and most standard abrasives tend not to be that fine (other than diamonds). Im looking into getting the edge pro system but I want to know if I should stick with using my strops with diamond paste and cbn emulsions for polishing. Most of the steel I use tend to have high vanadium content ,and as far as I know vanadium carbides have an hrc of around 80-85 so I was wondering how well will the polishing tapes cut something like S110V.
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Hi,
The description says Polish tapes can be used approximately 5 times before they need to be replaced.
when description doesn't say what kind of abrasive is used its usually aluminum oxide


They do have "Diamond Tape 3000 Grit" for ceramic knives Polish tapes can be used approximately 10 times before they need to be replaced.
 
I think the polish tapes would be more accurate, as they don't flex (vs. leather strops). They produce a really nice, shiny edge. I don't make a lot of passes with mine, so they last a long time.

Good sharpening,
Dave
 
I believe that their default #2,000 and #3,000 tapes are aluminum oxide but don't know about others. They are not effective on high vanadium carbide steels on my limited experience. You can install diamond lapping films on the blanks, though.

I am currently testing diamond suspensions (1 and 0.25 µm) sprayed on the #2,000 tape.


Miso
 
2k and 6k are silicon carbide, the 3k is aluminum oxide... reference here.
 
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