Thread: Lapping film success and thanks to a member

Oh, I know some like it! Admittedly, I have never had a need to try it, so I haven't.
It seems to be an expensive route in the long run. At least to me.
My post was YMMV, so just another take on it.


(We can now proceed with a lapping film thread!)

You will find it much easier setting a bevel on a 1 or 4k good synthetic stone, then move to film, 5um, 3, 1 and .3um, then again with a single sheet of copy paper under the .3um film, just a few laps.

The copy paper will cushion the film and convex the edge, so you get a secondary bevel polishing only a third of the bevel from the edge back. It will give you a much smoother shave.

Personally I find .3um too sharp and finish on 1um with paper underneath.

Do not buy Diamond film, Silicon Carbide (5um) and Aluminum Oxide film works just as well for a fraction of the cost. I buy from Thorlabs. Cut to size with a Paper Cutter.

Also do lap your substrate flat with a diamond plate or 325 wet & dry. You can buy 3X12 in glass tiles from Lowes for about $5. Lapping them flat improves performance.

Film is not expensive, for the cost of a single, good stone, for one maintaining a handful of razors, a one-time purchase is a lifetime supply.