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certification-aamoda

Certification

PLYWOOD (IS:303)
Test ISI Requirement Observed Value
1 DitnenSion Length = +5mm;
Width = +2mm:
Thickness = +6mm;
Within Limit
2 Sp. Gravity, >7
3 Moisture Content 5%-15% 9%
4 Resistance to Mico organisms
- adhesion to piles
Mix Pass Standard Excellent
5 Resistance to Water (3 cycles of
8 hour boilling & 16 hour drying @65 C)
- Adhesion to Plies
Min. Pass Standard Excellent
6 Static Bending Test

a. Modulus of elasticity
along the grain      Avg.
across the grain      Avg.

b. Modulus of Rupture
along the grain      Avg.
across the grain      Avg.
Min. 5000 N/sq.mm
Min 2500 N/sq.mm


Min. 40 N/sq.mm
Min. 20 N/sq.mm
6700 N/sq.mm
3000 N/sq.mm


59 N/sq.mm
32 N/sq.mm
MARINE PLYWOOD (ISI:710))
Test ISI Requirement Observed Value
1 Glue sheer strength (dry state) Min. lnd. 1100N
Min. Avg 1350 N
1300 N
1450 N
2 Glue sheer strength
(after 72 hours boiling)
Min. lid.800N
Min Avg 1000 N
1100 N
1200 N
3 Moisture content 5%-15% 9%
4 Adhesion to plies Minimum pate Standard Excellent
5 Tensile Strength
Along the grain
Across the Grain
Sum of Tensile Strength

4200 N/sq.mm
2500 N/sq.mm
8450 N/sq.mm

5450 N/sq.mm
4000 N/sq.mm
9550 N/sq.mm
6 Static Bending Strength
modulus of rupture

Along the grain
Across the grain

Modulus of Elasticity
Along the grain
Across the grain
50 N/sq.mm
30 N/sq.mm


7000 N/sq.mm
4000 N/sq.mm
67 N/sq.mm
43 N/sq.mm


8500 N/sq.mm
4210 N/sq.mm
SHUTTERING PLYWOOD (IS:4490)
Test ISI Requirement Observed Value
1 Glue sheer strength (dry state)
Adhesion to piles
Min. lnd. 1100N
Min. Avg 1350 N
minimum Pass Standard
1300 N
1540 N
Excellent
2 Glue sheer strength
(after 72 hours boiling)
Min. lid.800N
Min Avg 1000 N
1085 N
1375 N
Excellent
3 Moisture content 5%-15% 9%
4 Mycological Test
Glue Sheer Strength
No Sign of Separation
min.lnd 800N
Min. Avg 1000N
No Separation
1075 N
1265 N
5 Tensile Strength
Along the grain
Across the Grain
Sum of Tensile Strength

32.5 N/sq.mm
32.5 N/sq.mm
60 N/sq.mm

45.5 N/sq.mm
35.2 N/sq.mm
82.5 N/sq.mm
6 Static Bending Strength
modulus of Elasticity

Along the grain
Across the grain

8000 N/sq.mm
4000 N/sq.mm
9250 N/sq.mm
5230 N/sq.mm
BLOCK BOARD (ISI:1659)
Test ISI Requirement Observed Value
1 Resistance to water
(72 hours boiling)

No delamination after
72 hours boiling
No delamination
2 Adhesion of the plies , Minimum pass Standard Excellent
3 Resistance Micro- organisms
(72. hours boiling)
No appreciable sign of
separation at edges
No separation at edges
4 Modulus of elasticity min. 5000 N/sq.mm 600 N/sq.mm
5 Modulus of Rupture min. 50 N/sq.mm 62 N/sq.mm
6 Dimensional Changes caused by Humidity
a. Changes, mm
from 65% RH to 90% RH
from 65% RH to 50%RH

b. Local Planeness

c. Ac the extreme range of humidity
+ 1mm max
- 1mm max

< 1/1 50

No delamination at
the extreme ranges of humidity.
+.65 mm
-.63mm

< 1/165

No delamination
observed
FLUSH DOORS (IS:2202)
Test ISI Requirement Observed Value
1 Dimension Length. Width = +5 mm;
Thickness = +1 mm;
within Limits
2 Squareness Deviation riot more than 1 mm on a length on 500 mm deviation below 1 mm
3 General Flatness Twist, cupping, warping not to exceed 6mm below 6mm
4 Local Planeness Depth of deviation at any point to be less than 5 mm Within Limits
5 Buckling test Initial deflection - < 50 mm
residual deflection - < 5 mm
Within Limits
6 knife test Minimum lit Standard Excellent
7 Slamming Test No visible, Damage after test no visible damage
8 Impact Indentation Test depth of Indentation not to exceed 0.2 mm Within Links
9 Edge Loathing Test Deflection of edge with max. to be less than 5 mm. Withal Links
10 Shock Resistance Test No viable Defect after test no Visible defect
11 End Immersion Test No de- lamination at the end no de-lamination
12 Glue Adhesion Test No de- lamination no de-lamination
13 Misuse Test No Deformation at the end no Formationn
14 Screw Withdraw Test Load to withdraw
screw to be more
than 1040 N
Load >1000 N
15 Varying Humidity Test no visible warping.
twisting.
or delamination
no such detects observed