Stören Silver Shadow
Stören Silver Shadow is a light granite with dark, irregular streaks. Highly durable. Used, among other things, for facades and works of art.
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Technical properties
|
Value |
Unit
|
Standard
|
|
Compressive strength
|
Average: 268,2
|
Mpa
|
EN 1926
|
|
Flexural strength
|
Average: 16,2
|
Mpa
|
EN 12372
|
| Abrasion resistance |
Average: 17,0
|
mm
|
EN 14157
|
|
Slip resistance, honed surface (dry)
|
Average: 75
|
SRV
|
EN 14231 |
|
Slip resistance, honed surface (wet)
|
Average: 38 |
SRV
|
EN 14231
|
|
Apparent density
|
Average: 2685
|
kg/m3
|
EN 1936
|
|
Open porosity
|
Average: 0,76 | % |
EN 1936
|
|
Water absorption
|
Average: 0,3 | weight % |
EN 13755
|
| Petrographic composition * | Standard EN 12407 | Value | |
|
Quartz
|
20 % | ||
| Potassium feldspar | 60 % | ||
| Biotite | 4 % | ||
| Muscovite | 4 % | ||
| Epidote | 2 % |
* Only main minerals are listed
Tested by SINTEF
