When that razor was made there were no Norton 4/8's or Naniwas etc/neither were epoxies. I think that if they would have had access to them they would have readily used them. However there are always purists and I hope there always will be! :tu
With that said;
Once mixed together; JB Weld is a medium dark grey and for everything that I've used it for it's never let go!
Just a thought! :shrug: