BETTER ALUMINUM FINISH
For a nice finish on aluminum, I save my chips from boring ductile sleeved blocks and add them at a 20% mix to coarse glass bead in the blaster. I find that it gives the aluminum a brighter finish that doesn’t stain as easy. It removes carbon real well too. It takes a minute to “break them in” but they seem to last quite a while. Keep mixing by back blowing the nozzle.

Ron Flood
Cedar Machine
February, 2018