BORGHAMN LJUSGRA
Allgemeine Informationen
Trading names | BORGHAMN LJUSGRA, NÄRKE GRA |
Location where found | Borghmn / Vättersee / sw´ Örebro |
Country | Sweden | Coloring | light grey |
Structure | Largely without direction |
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 | 8.1.49 |
INSK Number | 71.21 |
feingeschliffen, poliert:
Recommendations for bonding and filling
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