Charcoal is a medium density, tight grain limestone with soft grey hues that make it highly versatile in design possibilities. It is available in all architectural and tile formats, as well as interior and exterior veneer.
Source: North America
ASTM 97 Density: 142.6 lbs/ft3
ASTM 97 Absorption: 4.91%
ASTM C170 Comp. Strength: 4650 lbs/ft2 (wet)
ASTM C880 Flexural Strength: 920 lbs/ft2 (wet)
ASTM 353 Abrasion Resistance: 7.0