Gascogne Blue
LIMESTONE
DESCRIPTION (MACROSCOPIC)
Brownish white limestone, coarsely calciclastic, rather oolitic, abundantly bioclastic.
PREVAILING APPLICATIONS
Paving (interior, in preference); Masonry.
PHYSICO-MECHANICAL PROPERTIES
| Compression breaking load | Kg/cm2 | 953 |
| Compression breaking load after freezing test | Kg/cm2 | 1030 |
| Bending Strength | Kg/cm2 | 105 |
| Volumetric Weight | Kg/m3 | 2567 |
| Water absorption at N.P. conditions | % | 1.73 |
| Apparent porosity | % | 4.44 |
| Thermal Linear expansion coefficient | X10-6perº C | 5.0 |
| Abrasion Test | mm | 34.2 |
| Impact test: minimum fall height | cm | 40 |
CHEMICAL ANALYSIS
| SiO2 | 0.07% |
| AI2O3 | 0.27% |
| Fe2O3 | 0.06% |
| MnO | vest. |
| CaO | 55.69% |
| MgO | 0.26% |
| Na2O | 0.05% |
| K2O | 0.04 |
| TiO2 | 0.00 |
| P.R | 43.55% |
| CO2 | 43.98% |
LOCATION
District
Leiria
Municipality
Alcobaça