Sociedade
Exploradora de
Calcários do
Centro, Lda.

Trigaches Claro

MACROSCOPIC DESCRIPTION

Coarse-grained grey marble, with concentrations of very coarse grain and dark grey veining.

RECOMMENDED USAGE

Exterior and interior cladding.

PHYSICAL-MECHANICAL CHARACTERISTICS

Compressive Strength:

403 Kg/cm2

Compressive Strength after Frost Test:

309 Kg/cm2

Flexural Strength:

111 Kg/cm2

Apparent Density:

2712 kg/m3

Water Absorption at Atmospheric Pressure:

0,06 %

Open Porosity:

0,16 %

Coefficient of Linear Thermal Expansion:

9,9 X 10^-6 per ºC

Wear Resistance:

2,2 mm

Impact Resistance (Minimum Drop Height):

55 cm

CHEMICAL ANALYSIS

SiO2

0,09 %

Al2O3

0,52

Fe2O3

0,03

MnO

-

CaO

54,48

MgO

0,83

Na2O

0,06

K2O

0,04

TiO2

-

P.R.

43,7

CO2

43,67