Gray Ukraine
Physical & mechanical properties
Volumetric weight: 2740 кg/m3
Water absorbtion: 0,24 %
Compression strength: 220 MPa
Flexure strength: -
Attritive ability of rock: 0,64 g/cm2
Minerals (%)
Microcline: 15-30
Plagioclase: 35-55
Quartz: 10-25
Biotite: 5-15
Others: less then 1
Fraction 5 - 10mm, 10 - 20mm
