Sociedade
Exploradora de
Calcários do
Centro, Lda.

Vidraço Ataíja Azul

MACROSCOPIC DESCRIPTION

Grey limestone, finely calciclastic.

RECOMMENDED USAGE

Stonework. Interior and exterior tiles.

PHYSICAL-MECHANICAL CHARACTERISTICS

Compressive Strength:

1653 Kg/cm2

Compressive Strength after Frost Test:

1568 Kg/cm2

Flexural Strength:

135 Kg/cm2

Apparent Density:

2676 kg/m3

Water Absorption at Atmospheric Pressure:

0,35 %

Open Porosity:

0,93 %

Coefficient of Linear Thermal Expansion:

3,9 X 10^-6 per ºC

Wear Resistance:

3,4 mm

Impact Resistance (Minimum Drop Height):

35 cm

CHEMICAL ANALYSIS

SiO2

1,05 %

Al2O3

0,88

Fe2O3

0,15

MnO

-

CaO

54,31

MgO

0,26

Na2O

0,02

K2O

0,07

TiO2

-

P.R.

42,95

CO2

42,90