PRELAM Properties:
PHYSICAL & MECHANICAL PROPERTIES OF PRE - LAMINATED PARTICLE BOARDS
SR.
NO.
PROPERTIES
UNIT
UNIT IS : 14587/ 98
GRADE II
RESULT
9 mm
RESULT
12 mm
RESULT
18 mm
RESULT
25 mm
1
Density
Kg/ m3
500 to 900
767.88
711.85
682.85
701.54
2
Density Variation
%
± 10
± 2.15%
± 2.11%
± 2.15%
4.39%
3
Moisture Content
%
5 to 15
6.86%
6.59%
6.32%
5.96%
4
Water Absorption 2 Hours (max)
%
15
2.84%
3.12%
3.82%
4.84%
5
Water Absorption 24 Hours (max)
%
30
6.27%
6.85%
7.32%
6.65%
6
Thickness swelling 2 Hours (max)
%
8
1.96%
2.29%
2.17%
3.78%
7
Modulus of Rupture (Min)
(a) Up to 20mm Thickness
N/ mm2
11
18.63
15.82
12.842
11.586
(b) Above 20mm Thickness
11
8
Tensile Strength Perpendicular
To surface (min)
N/ mm2
0.3
1.539
1.345
1.115
0.961
9
Screw Withdrawal Strength
(a) Face (min)
N
1250
1684.39 N
1846.15 N
1926.44 N
1917.25 N
(b) Edge (min) > 12mm
N
1250
1437.18 N
1488.30 N
10
ABRASION TEST (min)
Revolutions
450
525
575
500
550
11
Resistance to Steam
Shall not show any Sign Odd Blister or Change in Finish or Change in Color
confirms
confirms
confirms
confirms
12
Crack Resistance
Shall not show any Sign of Crack or Delamination
confirms
confirms
confirms
confirms
13
Resistance to Cigarette Burn
Shall not Leave any Mark or Stain
confirms
confirms
confirms
confirms
14
Resistance to Stain
Shall not Leave any Stain
confirms
confirms
confirms
confirms