ENCARNADO NEGRAIS
Allgemeine Informationen
Trading names | ENCARNADO NEGRAIS, VERMELHO NEGRAIS, VIDRACO DA PEDRA FURADA, RED VIDRACO, VERMELHO NEGRAIS |
Location where found | Sintra / Lissabon |
Country | Portugal | Coloring | red, beige |
Structure | spotted |
Availability | Is being mined, but is used very seldom. |
Gestein
Bezeichnung | Limestone |
Alter | Cretaceous |
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 | 2,697 t/m³ |
Pressure resistance | 142,7 MPa |
Druckfestigkeit Frost | 114,5 MPa |
Abrasion resistance according to Italian standard | 2 |
Bending strength | 12,4 MPa |
Water absorption | 0,15 Gew.-% |
Porosity | 0,41 Vol.-% |
Thermische Dehnung | 0,43 mm/m/100K |
Mineralbestand
Calcite | 100 % |
INSK – Internationale Naturstein-Kartei
INSK Number old | 7.5.40 |
INSK Number | 64.20 |
Recommendations for bonding and filling
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