SI No

Properties

Prescribed Value as Per IS: 3129-1985

A (300 kg/m³)

B (400 kg/m³)

C (500 kg/m³)

1

Moisture content, %

Max 16

7.01

6.87

6.91

Standard Deviation

0.18

0.2

0.3

Coefficient of Variation

2.38

2.81

2.17

2

Modulus of rupture (N/mm²)

Min 1.5

2.54

6.97

13.9

Standard Deviation

0.5

0.2

0.9

Coefficient of Variation

20.6

2.2

5.5

3

Swelling due to surface absorption (after 2 hours soaking) %

Max 5

6.84

4.88

4.01

Standard Deviation

1.213

0.316

0.818

Coefficient of Variation

11

3.82

4.65

4

Water absorption

No Splitting/ No disintegration

No splitting at edges & No sign of disintegration