Swedish Black Hjortsjö
Location: Mellersta Småland. Geo coordinates, WGS84 (lat / lon): N 56° 56´56” / E 14° 20´22”
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Technical properties
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Standard
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Unit
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Result
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Compressive strength
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EN 1926
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Mpa
|
231
|
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Flexural strength
|
EN 12372
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Mpa
|
25,9
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Abrasion resistance, Böhme
|
DIN 52108
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cm³/50cm²
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6,0
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Abrasion resistance, Böhme
|
EN 14157
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mm³
|
5958
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Water absorption
|
EN 13755
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vikt %
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<0,1
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Apparent density
|
EN 1936
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kg/ mm³
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2990
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Breaking load at dowel holes 30mm
|
EN 13364
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N
|
4600
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Breaking load at dowel holes 50mm
|
EN 13364
|
N
|
4600
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Slip resistance, honed surface
|
EN 14231
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SRV, dry
|
72
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Slip resistance, honed surface
|
EN 14231
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SRV, wet
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52
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Rupture energy
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EN 14158
|
J
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Petrographic composition
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EN 12407*
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|
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Plagioclase
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%
|
68
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|
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Pyroxene
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%
|
22
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|
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Opaques
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%
|
5
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|
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Biotite
|
%
|
4
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(Tested by SP, Swedish National Testing and Research Institute)
* Only mineral composition, main mineral and possibly shell and skeleton so-called fossil (Only main components)
1) Based on thickness measurement
2) Based on weight measurement
* Only mineral composition, main mineral and possibly shell and skeleton so-called fossil (Only main components)
1) Based on thickness measurement
2) Based on weight measurement
