UNGRU
Allgemeine Informationen
| Trading names | UNGRU, LOSSIKIVI, HAAPSALU |
| Location where found | Haapsalu |
| Country | Estonia | Coloring | light grey |
| Grain size | Fine grained |
| Structure | irregularly cloudy |
| Availability | Is being mined, but is used very seldom. |
Gestein
| Bezeichnung | Limestone |
| Alter | Silurian |
| Gesteinsgruppe | Sedimentary rocks |
Technische Eigenschaften
| Polish quality | Only a dull finish can be achieved. |
| 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 | 2,55-2,60 t/m³ |
| Pressure resistance | 90-110 MPa |
| Water absorption | 1,7-2,2 Gew.-% |
INSK – Internationale Naturstein-Kartei
| INSK Number old | 6.5.39 |
| INSK Number | 71.7 |
Care information from Möller-Chemie
Stain removal guide:
Recommendations for bonding and filling
Productfinder bonding / filling:
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