Busse bead Blast?

Part of the rust resistance factor with bead blasting is the condition of the glass bead media and the pressure that's being used to blast. At low pressures, with fresh round glass beads, the media will act like tiny little hammers peening over and smoothing the surface on a microscopic level. At higher pressures, the beads can shatter on impact and cut the steel like sand, older media will do the same thing as it gets broken down over time into sharp little shards instead of smooth round beads.
 
I do like the look of double cut, but on a couple of my blades (even the ones that are not used) the DC has developed rust spots.....the same on my Fehrman bead blasted blades. The Satin have no issues but the DC does retain moisture and for me, I try to avoid them.
 
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