PORTORO NERO GIALLO
Allgemeine Informationen
| Trading names | PORTORO NERO GIALLO, PORTORO MACCHIA GRANDE |
| Location where found | Portovenere/ La Spezia |
| Country | Italy |
| State | Liguria-Lombardy | Coloring | black, yellow |
| Structure | brecciated or bulbous |
| Availability | Available |
Gestein
| Bezeichnung | Limestone |
| Alter | Jurassic |
| Gesteinsgruppe | Sedimentary rocks |
Technische Eigenschaften
| Polish quality | Polish possible. |
| Polish durability | The polish is not durable for exterior use. |
| Suitable for flooring | Suitable. However, the high abrasion resistance of hard stone is not achieved |
| Acid resistant | The stone is sensitive to acid! |
Technische Daten
| Bulk density | 2,71 t/m³ |
| Pressure resistance | 186 MPa |
| Druckfestigkeit Frost | 160 MPa |
| Abrasion resistance according to Italian standard | 1,8 |
| Bending strength | 10,4 MPa |
| Water absorption | 0,03 Gew.-% |
| Thermische Dehnung | 0,5 mm/m/100K |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 7.1.7 |
| INSK Number | 61.6 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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