| i) Bulk
density |
| ii)
Variation from mean density |
| iii)
Moisture content |
| iv)
Variation from mean moisture content |
| v) Water
absorption (Max.) |
| a) After 2 hrs. soaking |
| b) After 24 hrs. soaking |
| vi) Linear
expansion (swelling in water) |
| a) Due to general absorption
after 2 hrs. soaking |
| 1) Thickness |
| 2)
Length |
| 3) Width |
|
b) Due to surface
absorption |
| vii)
Modulus of rupture (Min.) |
| a) Upto 20 mm thickness |
| b) Above 20 mm thickness |
| viii)
Tensile strength perpendicular to surface
(min) |
| a) Upto 20 mm thickness |
| b) Above 20 mm thickness |
| ix)
Tensile strength perpendicular (Min.) |
| a) After cyclic test |
| b) After accelerated water
resistance |
| x) Screw
withdrawal strength (Min.) |
| a) Face |
| b) Edge
|
| xi) Thermal Conductivity (max) kcal-cm/m2/h/
°C |
