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Superior Black granite

( Date: 2018/4/10 16:56:30 )

This Stone of the Month is supplied by Dakota Granite Co. of Milbank, SD. Technical details provide a frame of reference only. Because stone is a product of nature, testing to determine specific physical qualities should be repeated for each project.

Country of Origin: U.S.

Compressive Strength: 26,800 psi

Modulus of Rupture: 2,700 psi

Average Absorption: .14%

Flexural Strength: 2,400 psi

Abrasion Resistance: 28.7 Ha

From: stoneworld

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