PDF BLASTING TECHNICAL INFORMATION MC Finishing
diameter of the nozzle with pressure blast systems or air jet diameter of the suction blast gun body. Air volumes are measured by surface cubic feet per minute (scfm). ... BLAST SPECIFICATIONS ESTIMATED BLAST CLEANING RATES NO 1 WHITE METAL BLAST SSPCSP5 #7 NOZZLE ... Ft Tight Mill Scale 140 Sq. Ft. at 90 PSI Pitted Paint 85 Sq. Ft. Layered ...