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Scratch hardness according to mohs scale

Mohs

3

Real density

kg / m3

2,717

Schmidt hardness rebound number

48

Dry unit weight

gr / cm3

2,69

Saturated unit weight

gr / cm3

2,7

Water absorption at atm. Pressure

%

0,077

Absorption by volume

%

0,21

Appearent porosity

%

0,21

Compasity

%

99,24

Water absorption coefficient by capillarity

g / m2.s^0.5

0,23

Capillary water absorption

%

0,05

Vertical abrasion resistance

mm

14,89

Reaction to fire

Class

A1