Beige - Gneiss
Quarry Location: East Rodopi,Ivaylovgrad,Haskovo Province
Water Absorption: % 0.49
Density: 2660 kg/m3
Recommended Usage: Building stone,countertops, sinks, monuments, pool coping, sills, ornamental stone, interior, exterior, wall, floor , paving
Finishing Surface: Sawn cut, Honed, Natural, Split, river worn, feature rocks
Additional Names: Ivaylovgrad Gneiss,Ивайловградски гнайс,Ivailovgrad Gneiss
Wall / Backsplash: Yes
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