January 19, 2020, 07:43 PM1greystonedog
Bead blasting prep for parkerizing
What blasting media is best?
January 19, 2020, 07:51 PM1greystonedog
Has anyone tried Black diamond coal in the fine size? That is what I have in my cabinet and it seems to work well at low psi on test pieces
January 20, 2020, 06:46 AMCCR
I would not use coal. Depending on what you are blasting and at what pressure you are using I would suggest an AO 120 grit