Brecha St. António
MACROSCOPIC DESCRIPTION
Grey limestone with golden spots, microcrystalline, with recrystallised zones. Tectonised.
RECOMMENDED USAGE
Interior cladding.
PHYSICAL-MECHANICAL CHARACTERISTICS
Compressive Strength:
825 Kg/cm2
Compressive Strength after Frost Test:
25 Kg/cm2
Flexural Strength:
163 Kg/cm2
Apparent Density:
2358 kg/m3
Water Absorption at Atmospheric Pressure:
14,00 %
Open Porosity:
33,03 %
Coefficient of Linear Thermal Expansion:
7,1 X 10^-6 per ºC
Wear Resistance:
1,8 mm
Impact Resistance (Minimum Drop Height):
45-50 cm
CHEMICAL ANALYSIS
SiO2
0,07 %
Al2O3
0,62
Fe2O3
0,11
MnO
-
CaO
37,35
MgO
15,6
Na2O
0,08
K2O
0,07
TiO2
-
P.R.
46,05
CO2
46,34