5.0

C-97

Density (Bulk specific gravity)

2.11

C-97

Modulus of rupture, N/ mm² 

Dry

Parallel to rift

11

C-99

Perpendicular to rift

9

C-99 Guidelines

Wet

Parallel to rift

10

C-99

Perpendicular to rift

7

C-99 Guidelines

Compressive Strength N/ mm²

Dry

Parallel to rift

63

C-170

Perpendicular to rift

61

Wet

Parallel to rift

27

Perpendicular to rift

20

Abrasion (Resistance to wear)

Average wear, mm

5.2

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

5.4