Tag: straight razor

  • What is a burr? – part 2

    What is a burr? – part 2

    In part 1 of this article, the edge geometry associated with the deliberate “raising of a burr” was described.  As noted, the thickness of this burr was several microns.  For shaving, we are targeting an edge width (keenness) in the range of 0.1 micron or less.  If we were to “break off” this burr, the…