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Old 12-23-2006, 07:33 AM
oldred oldred is offline
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90 PSI should be ok but since I am not sure what you are blasting and what equipment you have I would only be guessing. You said spot blaster so I assumed you were talking about small spots but if this is a large flat area and you are using a blaster, either suction or pressure, that covers large areas then the sand would be a bad idea because of the danger of warpage. How big an area are we talking about?
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