Porphyry Stone – Physical Characteristics
Our quarries are based in Italy and Argentina. The following values represent the results of some tests commissioned to US Laboratories.
Test Method
Norm
Value Porfiris
(Argentina)
Value Camparta (Italy)
Modulus of Rupture – Dry
ASTM C99
3,042 psi
2,536 psi
Modulus of Rupture – Wet
ASTM C99
2,869 psi
2,557 psi
Compressive Strength — Dry
ASTM C170
31,656 psi
38,574 psi
Compressive Strength — Dry
ASTM C170
31,627 psi
32,872 psi
Flexural Strength — Dry
ASTM C880
3,810 psi
3,058 psi
Flexural Strength — Dry
ASTM C880
3,141 psi
2,034 psi
Absorbtion
ASTM C97
0.53%
0.84%
Bulk Specific Gravity
ASTM C97
2,517 kg/m3
2,593 kg/m3
Static Coefficient of Friction — Dry
ASTM C1028
0.62
Static Coefficient of Friction — Wet
ASTM C1028
0.66
Abrasion Resistance
ASTM C1028
70.92
84.36
Our quarries are based in Italy and Argentina. The following values represent the results of some tests commissioned to US Laboratories.
