Quote:
Originally Posted by Justin
Currently we are using 75 grit aluminum oxide. You have any suggestions? The 75 seems to be working really good.
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Aluminum oxide is definitely one of the best choices you can use for this type of work.
Glass and sand
can get stuck in the aluminum so they're a definite no-no.
Do you outgas the parts after blasting before applying the powder? You might find more consistent results if you do, but it'll cost more electricity for the oven. You can stack up a few for the outgas and do them all together though.