Hardness Mohs 3
Unit Volume Weight gr/cm3 2.71
Density gr/cm3 2.73
Water absorption at atmospheric pressure by weight % 0.20
by volume % 0.50
Water absorption at boiling water by weight % 0.10
by volume % 0.30
Porosity % 0.50
Compressive strength kg/cm2 1053
Compressive strength after freesing kg/cm2 890
Average Abrasion Strength cm3/50 cm2 28,5
Degree of pores % 1
Modulus of Elasticity kg/cm2 14,22
Chemical analysis:
SiO2
0,16
Fe2O3 0.18
CaO 51,69
MgO 2,84
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