PENRHYN
Allgemeine Informationen
Trading names | PENRHYN, DOROTHEA |
Location where found | Bethesda/ Bangor/ Wales |
Country | Great Britain | Coloring | reddish brown, grey brown |
Structure | layered or directional |
Availability | Available |
Gestein
Bezeichnung | Clay schist |
Alter | Cambrian |
Gesteinsgruppe | Sedimentary rocks |
Technische Eigenschaften
Polish quality | Only fine sanding possible. |
Suitable for flooring | Suitable. However, the high abrasion resistance of hard stone is not achieved |
Acid resistant | The stone is resistant to acid under usual circumstances. |
Technische Daten
Bulk density | 2,77 t/m³ |
Pressure resistance | 220 MPa |
Water absorption | 0,05 Gew.-% |
INSK – Internationale Naturstein-Kartei
INSK Number old | 6.6.4 |
INSK Number | 57.5 |
Recommendations for bonding and filling
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