Porosity, %;no more than 0,75;3,85
Water absorption, %;Nora Johnson;0,72
Compressive strength in states, MPa:;
- in air-dry;no more than 50;83,6
- in water-saturated;no more than 30;99,3
Frost resistance (grade);;F150
Softening coefficient;no more than 0,65;0,86
Frost resistance coefficient; ;0,86
Abrasion, g/сm2;no more than 2,0;0,83