SPIDER BLACK
Mármore
CHEMICAL ANALYSIS
| SiO2 | 0,36% |
| Al2O3 | 0,69 |
| Fe2O3 total | 0.11% |
| MnO | vest. |
| CaO | 53.89% |
| MgO | 0.99% |
| Na2O | 0.04% |
| K2O | 0.06% |
| TiO2 | 0.00 |
| P.R. | 43.37 |
| CO2 | 43.37 |
PHYSICAL-MECHANICAL CHARACTERISTICS
| Compressive strength ( Kg/cm²) | 863 |
| Compressive strength after ice ( kg/cm² ) | 977 |
| Resistance to bending ( kg/cm²) | 256 |
| Apparent volumetric mass (kg/cm²) | 2703 |
| Water absorption PTN | 0.10% |
| Open porosity | 0.28% |
| Coefficient of linear expansion ( 106/ºC) | 14.8 |
| Amsler Wear (mm) | 2.0 |
| Shock resistance ( cm) | 55 |
FINISHING
- Polished
- Honed
- Sandblasted
- Bush-hammered
- Split
- Brushed
