Golden Brown Gneiss
Bulgaria
(Orpheus Mountain (Rhodope Mountains),Ivaylovgrad)
Qualities: hot and cold resistant, extremely durable to atmospheric influences, nonslip rugged surface
Application: Suitable for outdoor floorings and revetments
Color: Golden-brown
PHYSIC AND CHEMICAL PROPERTIES OF GNEISS STONE FROM IVAYLOVGRAD
Volume density ρ g/cm3 2.58
Specific density ρs g/cm3 2.66
Pore volume n % 3.01
Pore coefficient е - 0.031
Compressive strength in air dry state R H C x105 Pa 378.40
Water absorption % 0.49
Compressive strength in absorbed water state R H В x105 Pa 344.9
“Deval” wear % 5.5
Compressive strength after 25-fold freeze state R H 3 x105 Pa 325.9
Cold resistance coefficient - 0.86
Loss of mass after 25-fold freeze % 0.12
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Bulgaria
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Bulgaria
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The request includes: 1. surface finished, size 2. quantity required
