|
Sl
No. |
Test |
Results |
|
|
|
12
mm Sample |
| 1 |
Dimensions.
a) Length
b) Width
c) Thickness |
2442
1221
11.7 |
| 2. |
Density
, Kg/m3 |
1111 |
| 3. |
Moisture
content , % |
0.6 |
| 4. |
Water
Absorption %
a) After 2 hr soking
b) After 24 hr Soking |
0.12
0.24 |
| 5. |
Swelling
due to general absorption (after 2 hr
soking ) %
a) Thickness
b) Width
c) Length |
0.08
Nil
Nil |
| 6. |
Swelling
due to suface absorption after 2 hr
soking), % |
0.04 |
| 7.
|
Modulus
of rupture, N/mm2 |
18.8 |
| 8. |
Modulus
of elasticity, N/mm2 |
1630 |
| 9. |
Screw
withdrawal strenght, N/mm2
a) Face
b) Edge
( for 12 mm and above) |
1665
3211 |
| 10. |
Screw
withdrawal strenght, N/mm2
a) Parellel to Surface
b) Perpendicular to surface |
20.4
51.0 |
| 11. |
Thermal
Conductvity, W/Cm 0C |
0.005 |
| 12. |
Boiling
water resistance test
( after 3. hr boiling ) |
No
Disintegration
( Intact ) |
| 13. |
Fire
Resistance
a) Flammability Test
b) Flame Penetration
c) rate of burning |
10
minutes( formed as lump after 13 minutes)
8 minutes
3 minutes. |