Sociedade
Exploradora de
Calcários do
Centro, Lda.

Vidraço Moleano Grão Grosso

MACROSCOPIC DESCRIPTION

Whitish-grey and light cream limestone, with an oolitic tendency, calciclastic and bioclastic, with some dense dark spots.

RECOMMENDED USAGE

Flooring and wall coverings, preferably interior; stonework.

PHYSICAL-MECHANICAL CHARACTERISTICS

Compressive Strength:

917 Kg/cm2

Compressive Strength after Frost Test:

930 Kg/cm2

Flexural Strength:

144 Kg/cm2

Apparent Density:

2478 kg/m3

Water Absorption at Atmospheric Pressure:

3,07 %

Open Porosity:

7,62 %

Coefficient of Linear Thermal Expansion:

3,1 X 10^-6 per ºC

Wear Resistance:

3,5 mm

Impact Resistance (Minimum Drop Height):

35-40 cm

CHEMICAL ANALYSIS

SiO2

0,06 %

Al2O3

0,23

Fe2O3

0,04

MnO

-

CaO

55,76

MgO

-

Na2O

0,07

K2O

-

TiO2

-

P.R.

3,82

CO2

43,76