TOSSENE Grey Bohus
Location: Tossene, Valla Norgård, 456 94 Tossene/Hunnebostrand, Sweden
Geo coordinates: WGS84 dec 58.460290 11.375486
| Technical properties | Value | Unit | Standard |
| Compressive strength | Average: 207
Standard devation: 21 Lower expected value: 163 |
Mpa | EN 1926 |
| Flexural strength | Average: 17,8
Standard devation: 0,6 Lower expected value: 16,5 |
Mpa | EN 12372 |
| Frost resistance incl. flexural strength | Ultrasonic speed change: -2,6
Weight change: 0,02 Flexural strength change after: 16,4 Flexural strength change : -7,9 |
%
% Mpa % |
EN 12371 |
| Abrasion resistance (thickness based) | Average: 5,7 | Cm/50 cm | DIN 52108 |
| Abrasion resistance (weight based) | Average: 5735 | Mm3 | EN 14157 |
| Water absorption | Average: 0,13 | Weight % | EN 13755 |
| Apparent density | Average: 2660 | Kg /m³ | EN 1936 |
| Breaking load at dowel holes | Average: 2850 | N | EN 13364 |
| Slip resistance, honed surface (dry) | Average: 66 | SRV | EN 14231 |
| Slip resistance, honed surface (wet) | Average: 44 | SRV | EN 14231 |
| Rupture energy | Average: 5,, | J | EN 14158 |
| Petrographic composition: | Standard: EN 12407 | Value: | |
| Potassium feldspar | 39 % | ||
| Plagioclase | 29 % | ||
| Qvarz | 23 % | ||
| Biotite | 7 % |
