Chester Gray®

Primary Color: Gray

Quarry Location: East Otis, MA

Absorption (ASTM C97): 0.19%

Density (ASTM C97): 166.58 lb/ft³

Compressive Strength (ASTM C170): 30,000 Psi

Modulus of Rupture (ASTM C99): 3,034 Psi

Flexural Strength (ASTM C880): 1,321 Psi

Company: Williams Stone Company

 

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© National Building Granite Quarries Association, 2017