Obruby

Physical properties

ParameterValueUnit
Assessment of fines – Sand equivalent test59,9%
Water absorption0,14%
Apparent particle density2670kg/m3
Particle density on an oven dried basis2660kg/m3
Particle density on a saturated basis2660kg/m3
Loose bulk density1360kg/m3
Voids49,1%
Resistance to freezing and thawing2,79%
Grain shapesemiovální ostrohranné-

Degree of whiteness and coloration:

ParameterValueUnit
L42,50-
a7,47-
b17,47-
Conversion to BaSO447,21%