Chelmsford Gray

Primary Color: Gray, White

Quarry Location: Westford, MA

Absorption (ASTM C97): 0.31%

Density (ASTM C97): 168.0 lb/ft³

Compressive Strength (ASTM C170): 23,100 Psi

Modulus of Rupture (ASTM C99): 2,860 Psi

Flexural Strength (ASTM C880): 1,420 Psi

Company: New England Stone

 

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