0.23

C-97

Density (Bulk specific gravity)

2.69

C-97

Modulus of rupture,
N/ mm² 

Dry

Parallel to rift

44

C-99 Guidelines

Perpendicular to rift

40

C-99

Wet

Parallel to rift

37

C-99 Guidelines

Perpendicular to rift

33

C-99

Compressive Strength
N/ mm²

Dry

Parallel to rift

88

C-170

Perpendicular to rift

96

Wet

Parallel to rift

79

Perpendicular to rift

86

Abrasion (Resistance to wear)

Average wear, mm

3.3

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

3.5