NARVA, BLACK LEOPAED, RED POST
NARVA, BLACK LEOPAED, RED POST
Granite gabbro "Black Leopard" is mined in the Karatagskoe deposit of the Askiz region of the Republic of Khakassia, Russia.
Average density - 3100 kg / m3
True density - 3190 kg / m3
Water absorption - 0,04%
Compressive strength in dry condition - avg. 154,3 MPa
Compressive strength in water-saturated state - avg. 168,4 MPa
Reduction of compressive strength of rock in a water-saturated state - 0,0 %
Compressive strength after 50 cycles of frost resistance tests - 162,8 MPa
Compressive strength after 100 cycles of frost resistance tests - 159,2 MPa
Compressive strength after 150 cycles of frost resistance tests - 154,2 MPa
Reduction in compressive strength after 150 cycles of frost resistance tests - 8,43 %
Frost resistance, brand - 300
Abrasion - 0,25 g / cm2
Impact resistance - 80 cm
Specific effective activity of natural radionuclides - 139,4 Bq / kg
Decorativeness - 26
Presence of harmful impurities - 0,0 %