ASTM Testing Information

Strength Properties: Dry Condition, Perpendicular	Test Type	Fond du Lac	Chilton	Sudan	Northern Rustic
Compressive Strength	ASTM:C170 (psi)	24,310	21,030	29,460	28,781
Modulus of Rapture	ASTM:C99 (psi)	3,430	2,980	3,350	1,920
Flexural Strength	ASTM:C880 (psi)	2,470	1,660	2,600	770

Strength Properties: Dry Condition, Parallel	Test Type	Fond du Lac	Chilton	Sudan	Northern Rustic
Compressive Strength	ASTM: C170 (psi)	19,080	24,500	27,970	22,850
Modulus of Rupture	ASTM: C99 (psi)	3,390	2,360	3,510	1,990
Flexural Strength	ASTM: C880 (psi)	2,470	1,890	2,410	870

Physical Properties	Test Type	Fond du Lac	Chilton	Sudan	Northern Rustic
Specific Gravity	ASTM: C97	2.683	2.83	2.821	2.795
Bulk Density	ASTM: C97 (pcf)	167.3	176.5	175.9	174
Absorption	ASTM: C97 (Percent)	0.6	0.2	0.3	0.6