6.29

C-97

Density (Bulk specific gravity)

2.07

C-97

Modulus of rupture, N/ mm² 

Dry

Parallel to rift

8

C-99

Perpendicular to rift

9

C-99 Guidelines

Wet

Parallel to rift

8

C-99

Perpendicular to rift

6

C-99 Guidelines

Compressive Strength N/ mm²

Dry

Parallel to rift

41

C-170

Perpendicular to rift

49

Wet

Parallel to rift

31

Perpendicular to rift

36

Abrasion (Resistance to wear)

Average wear, mm

5.2

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

5.3