0.26

C-97

Density (Bulk specific gravity)

2.67

C-97

Modulus of rupture,
N/ mm² 

Dry

Parallel to rift

39

C-99 Guidelines

Perpendicular to rift

30

C-99

Wet

Parallel to rift

28

C-99 Guidelines

Perpendicular to rift

32

C-99

Compressive Strength
N/ mm²

Dry

Parallel to rift

172

C-170

Perpendicular to rift

92

Wet

Parallel to rift

126

Perpendicular to rift

70

Abrasion (Resistance to wear)

Average wear, mm

2.2

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

2.5