1.82

C-97

Density (Bulk specific gravity)

2.36

C-97

Modulus of rupture, N/ mm² 

Dry

Parallel to rift

16

C-99

Perpendicular to rift

9

C-99 Guidelines

Wet

Parallel to rift

13

C-99

Perpendicular to rift

8

C-99 Guidelines

Compressive Strength N/ mm²

Dry

Parallel to rift

115

C-170

Perpendicular to rift

108

Wet

Parallel to rift

106

Perpendicular to rift

91

Abrasion (Resistance to wear)

Average wear, mm

2.9

IS 1237 Guidelines

Max. wear on individual  Specimen, mm

3.1