Technical Specifications

Hardness

4

Mohs

Unite Volume Weight

2.70

gr/cm³

Unite Volume Density

2.73

gr/cm³

Water Absorption at Atm. Pressure

   by volume

0.2

%

   by weight

0.5

%

Water Absorption at Boiling Water

   by volume

0.3

%

   by weight

0.7

%

Porosity

0.5

%

Compressive Strength

1019

Kgf/cm²

Compressive Strength
after freezing

1019

Kgf/cm²

Strength to Blow

3

Kgf/cm²

Strength to  Bending

132

Kgf/cm²

Modules of Elasticity

10.65

Kgf/cm²

Ratio of Fullness

98.9

%

Degree of Pores

1.1

%

Average Abration Strength

18.8

cm/50cm²

Average Tensile Strength

6.1

Kgf/cm²

SiO2

1.25

%

FeO3

0.69

%

MgO

0.40

%