NEGRO EXTREMADURA
Allgemeine Informationen
| Trading names | NEGRO EXTREMADURA |
| Location where found | Burguillos del Cerro / Badajoz |
| Country | Spain | Coloring | dark grey, black |
| Grain size | Fine to medium grained |
| Structure | Largely without direction |
| Availability | Available |
Gestein
| Bezeichnung | Diorite |
| Alter | Upper Carboniferous |
| Gesteinsgruppe | Abyssal rock |
Technische Eigenschaften
| Polish quality | Polish possible. |
| Polish durability | The polish is durable for exterior use. |
| Suitable for flooring | Suitable |
| Acid resistant | Individual mineral ingredients are not permanently acid resistant! |
| Frost resistant | frost resistant |
Technische Daten
| Bulk density | 2,93 t/m³ |
| Pressure resistance | 160 MPa |
| Bending strength | 17,5 MPa |
| Water absorption | 0,1 Gew.-% |
| Porosity | 0,3 Vol.-% |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 4.3.36 |
| INSK Number | 26.16 |
Care information from Möller-Chemie
Recommendations for bonding and filling
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