HARTBERG
Allgemeine Informationen
| Trading names | HARTBERG |
| Location where found | Schrems/Niederösterreich |
| Country | Austria | Coloring | light grey |
| Grain size | Fine to medium grained |
| Structure | Largely without direction |
| Availability | Available |
Gestein
| Bezeichnung | Granite |
| 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 | The stone is resistant to acid under usual circumstances. |
| Frost resistant | frost resistant |
Technische Daten
| Bulk density | 2,636 t/m³ |
| Pressure resistance | 179,7 MPa |
| Abriebfestigkeit | 4,4 cm³/50cm² |
| Bending strength | 20,7 MPa |
| Water absorption | 0,19 Gew.-% |
Mineralbestand
| Quarz | 32 % |
| Orthoclase (alkali feldspar) | 37 % |
| Plagioclase | 25 % |
| Biotite mica | 5 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 3.1.90 |
| INSK Number | 11.21 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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