NAMAQUA
Allgemeine Informationen
Trading names | NAMAQUA, ZANDKRAAL, JUMAQUA |
Location where found | Zandkraal/ Vanrhynsdorp |
Country | South Africa | Coloring | yellow |
Grain size | Fine grained |
Structure | veined |
Availability | Available |
Gestein
Bezeichnung | Marble |
Alter | Precambrian |
Gesteinsgruppe | Metamorphic 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 | frost resistant |
Technische Daten
Bulk density | 2,70 t/m³ |
Pressure resistance | 151 MPa |
Abriebfestigkeit | 26,9 cm³/50cm² |
Bending strength | 20,1 MPa |
Water absorption | 0,2 Gew.-% |
INSK – Internationale Naturstein-Kartei
INSK Number old | 9.2.8 |
INSK Number | 83.1 |
Recommendations for bonding and filling
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