Quality Products Since 1925
ASTM C-90
ASTM C-90 Weight: 25 lbs/ea 3,000 P.S.I.
Weight: 34 lbs/ea Compressive Strength, Min P.
ASTM C-90 Weight: 34 lbs/ea 3,000 P.S.I
Weight: 53 lbs/ea Compressive Strength, Min P.
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