Average density, kg/m32 730
True density, kg/m32 760
Compressive strength of rock in dry state, MPa (kg/cm2)75-362 (750-3620)
Compressive strength of rock at water saturation, %74-272 (740-2720)
Water absorption, %0, 1
Irritability, g/cm20, 27
Salt resistance, %0
Frost resistance: number of cycles of alternate freezing and thawing.
and thawing (frost resistance grade)100
(F100)
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