Lagos Blue
LIMESTONE
DESCRIPTION (MACROSCOPIC)
Blueish grey limestone, essentially calciclastic, with dispersed blackish puntuations and light brown spots or concretions and rare spathized zones.
PREVAILING APPLICATIONS
Interior and exterior works, in the later option, for covered zones cladding, in preference.
PHYSICO-MECHANICAL PROPERTIES
| Compression breaking load | Kg/cm2 | 1431 |
| Compression breaking load after freezing test | Kg/cm2 | 1300 |
| Bending Strength | Kg/cm2 | 286 |
| Volumetric Weight | Kg/m3 | 2690 |
| Water absorption at N.P. conditions | % | 0.29 |
| Apparent porosity | % | 0.47 |
| Thermal Linear expansion coefficient | X10-6perº C | 4.9 |
| Abrasion Test | mm | 2.3 |
| Impact test: minimum fall height | cm | 35-40 |
CHEMICAL ANALYSIS
| SiO2 | 0.73% |
| AI2O3 | 0.43% |
| Fe2O3 | 0.13% |
| MnO | nd. |
| CaO | 53.67% |
| MgO | 0.68% |
| Na2O | 0.02% |
| K2O | 0.04% |
| TiO2 | 0.00% |
| P.R | 43.57% |
| CO2 | 42.86% |
LOCATION
District
Lisboa
Municipality
Cascais