Pedras Salgadas Granite

Pedras Salgadas
DESCRIPTION
Grey granite, medium granularity.
RECOMMENDED USAGE
Exterior and Interior
PHYSICAL-MECHANICAL CHARACTERISTICS
- Mechanical resistance to compression - 1 035 kg/cm2
- Mechanical resistance to compression after freezing test - 855 kg/cm2
- Mechanical resistance to bending - 170 kg/cm2
- Apparent density - 2 618 kg/m3
- Water absorption to P.At.N. - 0.21 %
- Open porosity - 0.56 %
- Linear thermal coefficient of expansion - 9.0 x10-6 / ºC
- Abrasion resistance - 0.2 mm
- Shock resistance: minimum height of fall - 65 cm
CHEMICAL ANALYSIS
SiO2-------------------------------------------------------------- 72.67 %
Al2O3------------------------------------------------------------ 12.99 %
Fe2O3 (total)---------------------------------------------------- 2.14 %
MnO-------------------------------------------------------------- 0.06 %
CaO-------------------------------------------------------------- 1.21 %
MgO-------------------------------------------------------------- 0.41 %
Na2O------------------------------------------------------------- 3.73 %
K2O-------------------------------------------------------------- 5.59 %
TiO2------------------------------------------------------------- vest.
P2O5------------------------------------------------------------ 0.11 %
H2O+------------------------------------------------------------ 0.59 %
H2O- ----------------------------------------------------------- 0.11 %