Physical and Mechanical/ technology /Properties details for some of the plywood and MDF and HPL should know

Source from :http://www.asisindia.com/

Properties As per IS: 2046 – 1995 (1 mm) ASIS lam (1 mm) As per IS: 2046 – 1995 (1.5 mm) ASIS lam (1.5 mm)
Thickness (in mm) 1.0 mm (+/- 0.1mm) 1.0 mm (+/- 0.05mm) 1.5 mm (+/- 0.1mm) 1.5 mm (+/- 0.05mm)
Resistance to surface wear >350 (revolutions) > 400 >350 (revolutions) > 400
Resistance to surface in boiling water
Mass increase
Thickness increase
10.0 % (Max.)
11.8 % (Max.)
6.0
7.0
7.5 % (Max.)
8.5 % (Max.)
5.5
7.0
Resistance to dry heat 180 degrees C Should pass test Complies Should pass test Complies
Dimentional stability at deviated temperature
Longitude
Transverse
0.55 % (Max.)
1.025 % (Max.)
0.35
0.75
0.44 %
0.86 %
0.30
0.65
Dimentional stability at 20 degrees C
Longitude
Transverse
  0.375 % (Max.)
0.60 % (Max.)
  0.275
0.48
0.31 % (Max.)
0.49 % (Max.)
0.23
0.38
Resistance to impact by small diameter ball 20N (Min.) 25N 20N (Min.) 30N
Resistance to cracking Should pass test Complies Should pass test Complies
Resistance to scratching 2N (Min.) 3N 2.N (Min.) 3.5N
Resistance to staining Should pass test Complies Should pass test Complies
Resistance to colour change
1. In Xenon light
2. In Enclosed Carbon ARC light
Wool Standard
6
5
6
5
Wool Standard
6
5
6
5
Resistance to cigarette burns 3 3 3 3
Resistance to steam 4 4 4 4
Appearance Free from surface defects Complies Free from surface defects Complies
Specific gravity gm/cm3 NA 1.36 (Min.) NA 1.4 (Min.)
Properties As per IS: 2046 – 1995
(0.8 mm)
ASIS Prime lam (0.8 mm) As per IS: 2046 – 1995
Postforming Grade (0.6 mm)
ASIS Flexi lam
PF (0.6 mm)
Thickness (in mm) 0.8 mm (+/- 0.1mm) 0.8 mm (+/- 0.05mm) 0.6 mm (+/- 0.1mm) 0.6 mm (+/- 0.05mm)
Resistance to surface wear 350 (revolutions) > 350 350 (revolutions) > 350
Resistance to surface in boiling water
Mass increase
Thickness increase
12.0 % (Max.)
14.0 % (Max.)
<8.0
<9.0
22.0 % (Max.)
24 % (Max.)
6.5 %
8.0 %
Resistance to dry heat 180 degrees C Should pass test Complies Should pass test Complies
Dimentional stability at deviated temperature
Longitude
Transverse
0.625 % (Max.)
1.10 % (Max.)
<0.45
<0.70
0.75 % (Max.)
1.25 % (Max.)
0.35 %
0.75 %
Dimentional stability at 20 degrees C
Longitude
Transverse
0.425 % (Max.)
0.625 % (Max.)
0.30
0.45
NA
NA
NA
NA
Resistance to impact by small diameter ball 20N (Min.) >20 20N (Min.) >20
Resistance to cracking Should pass test Complies Should pass test Complies
Resistance to scratching 2N (Min.) >2 2.N (Min.) >2
Resistance to staining
1. Acetone
2. Coffee
3. Sodium Hydroxide – 25% Solution
4. Hydrogen Peroxide – 30% Solution
5. Shoe Polish
6. Citric Acid – 10% Solution
5
5
5
4
4
4
5
5
5
4
4
4
Should pass test Complies
Resistance to colour change
1. In Xenon light
2. In Enclosed Carbon ARC light
Wool Standard
6
5
6
5
Wool Standard
Should pass test
Should pass test
Complies
Complies
Resistance to cigarette burns 3 3 Should pass test Complies
Resistance to steam 4 4 Should pass test Complies
Appearance Free from surface defects Complies No ABC Defects No ABC Defects
Specific gravity gm/cm3 NA 1.36 (Min.) NA 1.40 (Min.)
r. 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
SR. NO PROPERTIES UNIT Plain & Prelaminated Medium Density Fibre Boards (MDF)
Plain MDF
IS: 12406
Prelaminated MDF IS: 14587
Grade II Grade I Grade II Grade I
1 Density Kg/m3 600-900 600-900 600-900 600-900
2 Density Variation % +/- 10 +/- 10 +/- 10 +/- 10
3 Moisture Content % 5 to 10 5 to 10 5 to 10 5 to 10
4 Water Absorption %
2 Hours 9 6 9 6
24 Hours 16 12
Up to and including 6mm thick 45 30
7 to 12 mm thick 30 20
13 to 19 mm thick 20 13
20 mm thick and above 18 12
5 Thickness Swelling. 2 Hrs % 7 4
6 Swelling (expansion) in water after 24 Hours soaking
Thickness 7 4
Length (2 hrs for Particle & 24 hrs for MDF) 0.4 0.3
Width (2 hrs for Particle & 24 hrs for MDF) 0.4 0.3
7 Swelling Due to Surface Absorption % 5 4
8 Modulus Rupture N/mm2
Up to 20 mm thickness 28 28 28 28
Above 20 mm thickness 25 25 25 25
9 Tensile Strength Perpendicular to Surface N/mm2
Up to 20 mm thickness 0.8 0.9 0.8 0.9
Above 20 mm thickness 0.7 0.8 0.7 0.8
10 Tensile Strength Perpendicular to Surface N/mm2
a) After cyclic test 0.45 0.45
b) Accelerated water resistance test 0.3 0.3
11 Screw Withdrawal Strength N
Face 1500 1500 1500 1500
Edge 1250 1250 1250 1250
12 Abrasion Resistance Revolution
Type I 1000 1000
Type II 450 450
Type III 250 250
Type IV 75 75
13 Modulus of Elasticity (MOE)
Up to 20 mm thickness 2800 2800 2800 2800
Above 20 mm thickness 2500 2500 2500 2500
 
Thickness available in mm Standard Thickness Standard Thickness
Dimensions available in mm x mm Max. 2440 x 1220 Max. 2440 x 1220
Density (gm/cc) Above 0.75 Above 0.75
Moisture Content Less than 10 % Less than 10 %
Glue Sheer Strength (Kgf) >135 >110
Static Bending Strength (N/mm2)
Modulus of Elasticity:Parallel to face grain Above 7000 Above 5000
Perpendicular to face grain Above 6000 Above 4000
Modulus of Rupture:Parallel to face grain Above 60 Above 50
Perpendicular to face grain Above 50 Above 40
Retention of Preservative Chemicals (Kg/m3)
Screw holding strength (Kg.) Above 300 Above 250
Nail holding strength (Kg.) Above 65 Above 60

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