Northern Virginia

44901 Falcon Pl., Suite 108, Dulles, VA, 20166
(571) 323-2497

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Technical Data

ASTM Test	Test Description	Trend Stone	Mid-range Ordinary Granite
ASTMC 373-88 (94)	Water Absorption	Less than 0.2%	Greater than 0.39%
ASTMC 484-86 (93)	Thermal Shock Resistance	No evidence of any failure or damage	No evidence of any failure or damage
ASTMC 256-93a	Pendulum Impact Resistance	(J/M) is 7.4 + 0.5	(J/M) is 6.3 + 0.7
ASTMC 648-84 (94)	Breaking Strength	M.O.R 49.4 + 2.5 Mpa*	M.O.R 34.3 + 2.5 Mpa*
ASTMC 790M-93	Flexural Strength	Mpa 28.1*	Mpa 15.3*
ASTMC 1028-96	Friction Coefficient	Dry test 0.91Wet test 0.63	A coefficient of friction greater than 0.5 is generally recognized as providing nonhazardous walkway
ASTMC 1712-89	Sulphide Staining	No evidence of any staining or discoloration	No evidence of any staining or discoloration
ASTMC 696-1	Linear Thermal Expansion	No unusual behavior observed in expansion or contraction	No unusual behavior observed in expansion or contraction
ASTMC 1243-93	Resistance to Deep Abrasive Wear	102.7 + 9.2	136.5 + 7.7
DIN 51961-63	Resistance to Cigarette Embers	All stains disappeared	Yellow stained halo remained