Negro Angola

Water absorption at atmospheric pressure (EN13755) 0,10%
Compressive resistance (MPA) (EN1926) 138
Resistance to bending stress (MPA) (EN12372) 12,4
Frost resistance (48 cycles) (reduction in bending resistance) (EN12371) 2,8
Frost resistance (56 cycles) (reduction in bending resistance) (EN12371) 5,8
Abrasion resistance (mm) (EN14157) 16,1
Anchor breaking load (N) (EN13364) 3750
Thermal Shock (change in mass) (EN14066) -0,01% (does not change)
Apparent density (Kg/m3) (EN1936) 2790
Open porosity (EN1936) 0,30%