| Sr. No |
Properties |
Unit |
Plain Particle Boards
IS 3087 |
Pre-laminated
Particle Boards
IS 12823 |
|
|
|
Grade-II |
Grade-I |
Grade-II |
Grade-I |
 |
| 1 |
Density
|
Kg/m3 |
500-900
|
500-900 |
500-900
|
500-900 |
| 2 |
Density Variation |
%
|
+/-10 |
+/-10 |
+/-10 |
+/-10 |
| 3 |
Moisture Content |
% |
5 to 15 |
5 to 15 |
5 to 15 |
5 to 15 |
| 4 |
Modulus Of Rupture
Up to 20mm thickness
Above 20mm thickness |
N/mm2 |
11
11 |
15
12.5 |
11
11
|
15
12.5 |
| 5 |
Tensile Strength Perpendicular To Surface
a) After cyclic test
b) Accelerated water
resistance test |
N/mm2 |
|
0.2
0.15 |
|
0.2
0.15 |
| 6 |
Water Absorption
2 Hours
24 Hours |
% |
40
80 |
10
20 |
15
30 |
7
15 |
| 7 |
Thickness Swelling, 2Hours
Soaking, Thickness, Length, Width |
% |
12
0.5
0.5 |
8
0.5
0.5 |
8 |
5 |
| 8 |
Swelling Due To Surface Absorption |
% |
9 |
6 |
|
|
| 9 |
Tensile Strength Perpendicular To Surface
Up to 20mm thickness
Above 20mm thickness
|
N/mm2 |
0.3
0.3 |
0.45
0.40 |
0.3
0.3 |
0.45
0.40
|
| 10 |
Screw Withdrawal Strength
Face
Edge |
N |
1250
700 |
1250
850 |
1250
750 |
1250
800 |
| 11 |
Abrasion Resistance
1) Type I
2) Type II
3) Type III |
Revolution |
|
|
450
250
80 |
450
250
80 |
