TOSSENE Grey Bohus

Location: Tossene, Valla Norgård, 456 94 Tossene/Hunnebostrand, Sweden
Geo coordinates: WGS84 dec 58.460290 11.375486
 

Grey Bohus Granite with a unique, warm tone. Even in both structure and color. Medium-fine grain texture. Excellent resistance to wear. Sweden’s most common building stone, it can be worked and shaped in ways that make it suitable for all contexts and styles. Commonly used for facades, floors, countertops, gravestones, and paving.

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Technical properties Value Unit Standard
Compressive strength Average: 258

Standard deviation: 15

Lower expected value: 1224

Mpa SS-EN 1926:2006
Flexural strength Average: 15,2

Standard deviation: 0,5

Lower expected value: 14,1

Mpa SS-EN 12372:2022
Abrasion resistance (Böhme) Average: 5,4 cm3/50 cm2 SS-EN 14157:2017
Slip resistance, honed surface (dry) * Average: 66 SRV EN 14231
Slip resistance, honed surface (wet) * Average: 44 SRV EN 14231
Apparent density Average: 2656 kg/m3 SS-EN 1936:2006
Open porosity Average: 0,3 % SS-EN 1936:2006
Water absorption Average: 0,12 weight % SS-EN 13755:2008
Rupture energy Average: 6,0 J SS-EN 14158:2004
Breaking load at dowel holes Average: 2844 N SS-EN 13364:2002
Petrographic composition * Standard SS-EN 12407:2019 Value
Quartz 23 %
Plagioclase 29 %
Potassium feldspar 39 %
Biotite 7 %

Tested by RISE Research Institutes of Sweden AB (2024-05-14, * from previous test 2021)