FREDEBURG

Allgemeine Informationen
Trading names | FREDEBURG, SAUERLAND-SCHIEFER, FREDEBURGER SCHIEFER |
Location where found | Bad Fredeburg/ Schmallenberg |
Country | Germany |
State | North Rhine-Westphalia | Coloring | black |
Structure | Largely without direction |
Availability | Available |
Gestein
Bezeichnung | Clay schist |
Alter | Middle Devonian |
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. |
Frost resistant | frost resistant |
Technische Daten
Bulk density | 2,77 t/m³ |
Reindichte | 2,829 t/m³ |
Bending strength | 43-55 MPa |
Water absorption | 0,66 Gew.-% |
Porosity | 2,1 Vol.-% |
INSK – Internationale Naturstein-Kartei
INSK Number old | 6.6.10 |
INSK Number | 57.3 |
Care information from Möller-Chemie
Recommendations for bonding and filling
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