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Rock Dust Mix Cement

Our rock dust is mined entirely at our quarry in Swords Creek, VA. The deposit is high quality dolomitic limestone. Our manufactured rock dust meets andor exceeds MSHAs quotRock Dustquot definition for 30 C.F.R. amp 75.2 as it pertains to particle size, silica SiO 2 and combustible content requirements. Our rock dust is packaged in 50lb. bags ...

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