Physical & Chemical
Porphyry Specifications

Natural Cleft Surface Porphyry Specifications

Autumn Ash Blend

Specific Weight	Bending Strength	Bending Strength after freezing
ASTM	EN12372	EN12372
2.637 Ton/m2	27.8 N/mm2	17 N.mm2

Water Absorption	Friction	Slippy
EN13755	EN14157	EN14231
0.56%	13 mm	29

Chemical Combination	%
Sodium Oxide	3.02
Magnesium Oxide	3.12
Aluminum Oxide	16.23
Silicon Oxide	59.61
Phosphorus Oxide	0.06
Sulfur Oxide	0
Potassium Oxide	1.63
Calcium Oxide	6.76
Manganese Oxide	0.07
Iron Oxide	6.68

Machined Surface Porphyry Specifications

Violet Imperial

Dry Compressive Strength	Density	Water Absorption	Wet Compressive Strength
ASTM C127	ASTM C127	EN 13755	ASTM C127
1300	2.66	0.37	1150

Bending Strength	Bending Strength after Freezing	Slippy	Friction
EN 12372	EN 12372	EN 14231	EN 14157
20.50	15.8	20	13

Chemical combination (XRF)	%
SiO2	72.40
Al2O3	17.41
Fe2O3	3.11
CaO	0.27

Beige Imperial

Dry Compressive Strength	Density	Water Absorption	Wet Compressive Strength
ASTM C127	ASTM C127	EN 13755	ASTM C127
628	2.63	0.97	392

Bending Strength	Bending Strength after Freezing	Slippy	Friction
EN 12372	EN 12372	EN 14231	EN 14157
18.8	14.9	26	10

Chemical combination (XRF)	%
SiO2	62.65
Al2O3	17.00
Fe2O3	5.25
CaO	4.14

Serpentine Imperial

Dry Compressive Strength	Density	Water Absorption
ASTM C127	ASTM C127	EN 13755
1494	2.49	0.22

Bending Strength	Bending Strength after Freezing	Slippy	Friction
EN 12372	EN 12372	EN 14231	EN 14157
23.8	24	23	14

Chemical combination (XRF)	%
SiO2	50.70
Al2O3	22.30
Fe2O3	2.10
CaO	3.30

Rosso Imperial

Dry Compressive Strength	Density	Water Absorption	Wet Compressive Strength
ASTM C127	ASTM C127	EN 13755	ASTM C127
1300	2.66	0.28	1150

Bending Strength	Bending Strength after Freezing	Slippy	Friction
EN 12372	EN 12372	EN 14231	EN 14157
39.6	29	17	12

Chemical combination (XRF)	%
SiO2	72.4
Al2O3	17.41
Fe2O3	3.11
CaO	0.27