NARVA, BLACK LEOPAED, RED POST
NARVA, BLACK LEOPAED, RED POST
"Narva" Marble is mined in the Narvskoe deposit of the Mansky district of the Krasnoyarsk territory, Russia.
Average density - 2731 kg / m3
True density - 2800 kg / m3
Water absorption - 0,11%
Compressive strength in dry condition - avg. 123,6 MPa
Compressive strength in water-saturated state - avg. 105,4 MPa
Reduction of compressive strength of rock in a water-saturated state - 14,7%
Compressive strength after 50 cycles of frost resistance tests - 104,6 MPa
Compressive strength after 100 cycles of frost resistance tests - 103,6 MPa
Compressive strength after 150 cycles of frost resistance tests - 101,0 MPa
Reduction in compressive strength after 150 cycles of frost resistance tests - 4,22 %
Frost resistance, brand - 150
Abrasion - 0,85 g / cm2
Impact resistance - 60 cm
Specific effective activity of natural radionuclides - 55,6 Bq / kg
Decorativeness - 32