Kopaniny

Physical properties

ParameterNumber of measurementUnitValueStandard deviationCoefficient of variation [%]
Apparent density6kg/m3265010,04
Real density2kg/m32677--
Open porosity6%0,70,14020,3
Total porosityvýpočtem%1,1--
Apparent porosityvýpočtem%0,7--
Water absorption6%0,250,0051,9
Water absorption coefficient3g.m-2.s-1/21,40,096,5
Linear thermal expansion 8106.K-16,30,9515,1
Compressive strength10MPa207,116,98,2
Flexural strength10MPa18,21,05,5
Abrasion resistance1mm17,5--