Says "Plugable USB2-MICRO-200X" on the base.
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Close Up Photos Of Abrasives Used On Nibs
Posted 08 March 2017 - 02:45
A lot has been written about these very fine abrasives in the wood working and knife making communities. I've found the Grand Unified Grit Chart very useful for comparing abrasives, always using micron size as a "real" number <https://docs.google.com/spreadsheets/d/1VaTf3MXuwuvH-QLwOci4f9B9Zhkbuu1wjoSCZIUsR-o/edit#gid=0>
I find the 3M Microfinishing film 0.5 micron sheet <http://www.leevalley...004&cat=1,43072> to feel noticeably finer than the 12,000 Micromesh but I don't know on what scale the Micromesh is measured so I have no objective means of comparison. The Micromesh has a cushioned backing whereas the Microfinishing film has no such backing and is typically used on a glass plate or polished steel substrate. One could try using the film on top of a sheet of sponge rubber (many types and densities) to approximate the built-in cushioning of the Micromesh.
Posted 08 November 2017 - 14:47
I'd strongly recommend spending a bit more and getting the diamond abrasive version of these same sheets. The abrasive is attached so firmly to the backing that one can work between the tines without scraping off the abrasive.
I use these on top of sheets of paper. Three sheets give a good amount of cushioning for most smoothing work.
Edited by Vintagepens, 08 November 2017 - 14:49.
Posted 09 March 2018 - 16:40
What's the problem with liquid abrasives? Am I missing something? I was under the impression that they were finer and therefore the final stage. In the old days of vinyl, the perspex lid of the record player would get tiny scratches which would build up into a haze. The solution was to rub with Brasso metal polish. Duraglit used to be the wadding abrasive and Brasso was the liquid, but one firm swallowed the other. Now it's all Brasso, wadding or liquid. (Applies to the UK)
If it is fine enough to give perspex back it's shine then surely it would be suitable for last-stage polishing of a nib? I use it to clean battery contacts.
Edited by Ebberman, 09 March 2018 - 16:45.