Hardness | Mohs | 3-3,5 |
Unit Volume Weight | gr/cm3 | 2.70 |
Density | gr/cm3 | 2.68 |
Water absorption at atmospheric pressure | by weight - % | 0.24 |
by volume - % | 0.40 | |
Water absorption at boiling water | by weight - % | 0.30 |
by volume - % | 0.70 | |
Porosity | % | 0.50 |
Compressive strength | kg/cm2 | 1150 |
Compressive strength after freesing | kg/cm2 | 1150 |
Average Abrasion Strength | cm3/50 cm2 | 14,50 |
Degree of pores | % | 1,10 |
Modulus of Elasticity | kg/cm2 | 10,65 |
Chemical analysis: | ||
SiO2 | 0,51 | |
Fe2O3 | 0.12 | |
CaO | 52,40 | |
MgO | 2,40 |