American Black®

Primary Color: Black

Quarry Location: Elverson, PA

Absorption (ASTM C97): 0.02%

Density (ASTM C97): 192.3 lb/ft³

Compressive Strength (ASTM C170): 43,524 Psi

Modulus of Rupture (ASTM C99): 3,799 Psi

Company: Polycor

 

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© National Building Granite Quarries Association, 2017