Next we blasted a brass bullet shell as seen here. The top is blasted using dry C-Bead and the bottom is wet C-Bead. The profile of the metal has been changed more dramatically with the dry with the added disadvantage of the heat generated.
If these parts had been greasy then we would have had to pre-clean them before dryblasting. Not so with the Dana-Ridge wetblast system which cleans and blasts at the same time. The grease simply goes out the overflow to the settlement tank for collection later.