3.95

C-97

Density (Bulk specific gravity)

2.25

C-97

Modulus of rupture,
N/ mm² 

Dry

Parallel to rift

12

C-99 Guidelines

Perpendicular to rift

13

C-99

Wet

Parallel to rift

7

C-99 Guidelines

Perpendicular to rift

9

C-99

Compressive Strength N/ mm²

Dry

Parallel to rift

93

C-170

Perpendicular to rift

105

Wet

Parallel to rift

56

Perpendicular to rift

48

Abrasion (Resistance to wear)

Average wear, mm

5.6

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

5.8