VELPKE
Allgemeine Informationen
| Trading names | VELPKE, BRAUNSCHWEIGER SANDSTEIN |
| Location where found | Velpke / Braunschweig |
| Country | Germany |
| State | Lower Saxony | Coloring | beige |
| Grain size | Fine grained |
| Structure | Largely without direction |
| Availability | No longer being mined! |
Gestein
| Bezeichnung | Sandstone |
| Alter | Triassic |
| Gesteinsgruppe | Sedimentary rocks |
Technische Eigenschaften
| Polish quality | Polish is not possible. |
| Suitable for flooring | Hardly suitable as floor covering! Not very abrasion-resistant and difficult to clean! |
| Acid resistant | The stone is resistant to acid under usual circumstances. |
| Frost resistant | frost resistant |
Technische Daten
| Bulk density | 2,3 t/m³ |
| Pressure resistance | 60-118 MPa |
| Abriebfestigkeit | 20 cm³/50cm² |
| Bending strength | 9 MPa |
| Water absorption | 3 Gew.-% |
| Porosity | 13 Vol.-% |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 6.2.24 |
| INSK Number | 94.13 |
Recommendations for bonding and filling
Productfinder bonding / filling:
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