JURA GRAU
Allgemeine Informationen
| Trading names | JURA GRAU |
| Location where found | um Treuchtlingen / Altmühltal |
| Country | Germany |
| State | Bavaria |
| Region | Franconia | Coloring | beige, grey brown |
| Structure | spotted |
| 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! |
| Frost resistant | Sometimes frost proof, depending on stratum in quarry |
Technische Daten
| Bulk density | 2,60 t/m³ |
| Pressure resistance | 158 MPa |
| Abriebfestigkeit | 12,6 cm³/50cm² |
| Bending strength | 17 MPa |
| Water absorption | 0,44 Gew.-% |
INSK – Internationale Naturstein-Kartei
| INSK Number | 67.5 |
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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