Kamenná

Physical properties

ParameterNumber of measurementUnitValueStandard deviationCoefficient of variation [%]
Apparent density6kg/m3269030,10
Real density2kg/m32740--
Open porosity6%0,60,0132,3
Total porosityvýpočtem%1,9--
Apparent porosityvýpočtem%0,6--
Water absorption6%0,210,0041,8
Water absorption coefficient3g.m-2.s-1/21,20,15,0
Linear thermal expansion 8106.K-17,11,2317,5
Compressive strength10MPa132,913,810,4
Flexural strength10MPa14,90,64,0
Abrasion resistance1mm17,0--