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Hardness

Mohs

3 - 4

Unit weight

g / m3

2,66

Density

g / m3

2,67

Water absorption at atm.
Pressure( weight)

%

0,33

Water absorption at atm.
Pressure( height)

%

0,86

Water absorption in boiling
water (weight)

%

0,36

Water absorption in boiling
water (height)

%

0,94

Porosity

%

0,86

Compressive strength

kgf / cm2

886,13

Compressive strength after freeze

kgf / cm2

864,01

Strength to blow

kgf / cm2

4,00

Strength to bending

kgf / cm2

148,19

Modulus of elasticity

kgf / cm2

281 x 10

Ratio of fullness

%

99,63

Degree of pores

%

0,37

Average abrasion loss

cm3 / 50cm2

5,00

Average tensile strenght

kgf / cm2

42,00