BORGHAMN GRABRUN
Allgemeine Informationen
| Trading names | BORGHAMN GRABRUN, NÄRKE GRABRUN |
| Location where found | Borghamn / Vättersee / sw´ Örebro |
| Country | Sweden | Coloring | grey brown |
| Structure | irregularly cloudy |
| Availability | Available |
Gestein
| Bezeichnung | Limestone |
| Alter | Silurian |
| 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 | 2,650 t/m³ |
| Pressure resistance | 187 MPa |
| Abriebfestigkeit | 20,7 cm³/50cm² |
| Bending strength | 20,4 MPa |
| Water absorption | 0,6 Gew.-% |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 7.6.50 |
| INSK Number | 66.27 |
Care information from Möller-Chemie
Recommendations for bonding and filling
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