NEGRAIS AMARELO
Allgemeine Informationen
| Trading names | NEGRAIS AMARELO, AMARELO DE NEGRAIS, YELLOW NEGRAIS |
| Location where found | Negrais / Pero Pinheiro |
| Country | Portugal | Coloring | yellow |
| Structure | brecciated or bulbous |
| Availability | Available |
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! |
| Frost resistant | not frost resistant |
Technische Daten
| Bulk density | 2,674 t/m³ |
| Pressure resistance | 144,2 MPa |
| Druckfestigkeit Frost | 112,0 MPa |
| Abrasion resistance according to Italian standard | 2,8 |
| Bending strength | 20,3 MPa |
| Water absorption | 0,44 Gew.-% |
| Porosity | 1,18 Vol.-% |
| Thermische Dehnung | 0,44 mm/m/100K |
Mineralbestand
| Calcite | 94 % |
| Dolomite | 6 % |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 8.3.19 |
| INSK Number | 68.14 |
feingeschliffen, poliert:
Recommendations for bonding and filling
Productfinder bonding / filling:
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