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Showing results for tags 'blast media'.
I've had pretty good results with the ARMEX Maintenance formula sodium bicarbonate blast media. I have to run it at the highest PSI my compressor can give (about 120 psi) in order for it to remove matrix relatively quickly. Still, that's only good with soft matrix. Anything hard, and it's almost worthless. I switch over to glass beads at about 30-50 psi, but you can definitely destroy a fossil with it. It's too abrasive. I'm wondering if anyone has used the ARMEX Maintenance XL, which is supposed to be 270 microns/70 grit, as opposed to the regular formula which is 170 microns/100 grit. Then a
There are many questions on Dolomite micro-blaster media sources. Here are some links to suppliers and producers for fine ground Dolomite, form a not commonly known source. Base Ball, Football, Soccer, Schools, Etc. The main product used for lineing all of these sport fields is fine ground Dolomite by the hundreds of pounds. I came across a partial bag of this product at a garage sale, cheep. At first I didn't know if I had a use for this 40 LBS of powder, (unknow at the time) but I bought it to check on it. I found out that it is used for marking white lines on ball fields and that it is