Alpinina
LIMESTONE
DESCRIPTION (MACROSCOPIC)
Microcrystalline limestone, often oganodetritical tectonized and fairly recrystallized.
PREVAILING APPLICATIONS
Exterior and interior facing.
PHYSICO-MECHANICAL PROPERTIES
| Compression breaking load | Kg/cm2 | 1150 |
| Compression breaking load after freezing test | Kg/cm2 | 962 |
| Bending Strength | Kg/cm2 | 183 |
| Volumetric Weight | Kg/m3 | 2696 |
| Water absorption at N.P. conditions | % | 0.18 |
| Apparent porosity | % | 0.48 |
| Thermal Linear expansion coefficient | X10-6perº C | 4.3 |
| Abrasion Test | mm | 1.9 |
| Impact test: minimum fall height | cm | 45 |
CHEMICAL ANALYSIS
| SiO2 | 0.10% |
| AI2O3 | 0.67% |
| Fe2O3 | 0.08% |
| MnO | vest. |
| CaO | 54.79% |
| MgO | 0.52% |
| Na2O | 0.05% |
| K2O | 0.12% |
| TiO2 | 0.00 |
| P.R | 43.50% |
| CO2 | 43.57% |
LOCATION
District
Leiria
Municipality
Porto de Mós
Parish
Alvados