SILVER Grey Bohus
Location: Rabbalshede, Bohuslän.
Geo coordinates, WGS84 dec 58.612578 11.507157
Grey Bohus Granite with an even, light color. Distinct granularity and medium-fine grain texture. Good cleavability, allowing for precise edges and details. Excellent resistance to wear. Commonly used for floors, stairs, interior and exterior wall cladding, as well as countertops.
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| Technical properties | Value | Unit | Standard |
| Compressive strength | Average: 226
Standard deviation: 27 Lower expected value: 162 |
Mpa | SS-EN 1926:2006 |
| Flexural strength | Average: 22,9
Standard deviation: 0,4 Lower expected value: 22,0 |
Mpa | SS-EN 12372:2022 |
| Abrasion resistance (Böhme) | Average: 4,8 | cm3/50 cm2 | SS-EN 14157:2017 |
| Slip resistance, honed surface (dry) | not tested | SRV | SS-EN 14231:2003 |
| Slip resistance, honed surface (wet) | not tested | SRV | SS-EN 14231:2003 |
| Apparent density | Average: 2628 | kg/m3 | SS-EN 1936:2006 |
| Open porosity | Average: 0,5 | % | SS-EN 1936:2006 |
| Water absorption | Average: 0,16 | weight % | SS-EN 13755:2008 |
| Rupture energy | Average: 5,0 | J | SS-EN 14158:2004 |
| Breaking load at dowel holes | Average: 2770 | N | SS-EN 13364:2002 |
| Petrographic composition | Standard SS-EN 12407:2019 | Value | |
| Quartz | 37 % | ||
| Plagioclase | 28 % | ||
| Potassium feldspar | 26 % | ||
| Biotite | 6 % | ||
| Muscovite | 2 % | ||
| Opaque minerals | 0,5 % |
Tested by RISE Research Institutes of Sweden AB (2024-05-14)
