|
 Chipboard
There is advanced
technology and experience of years behind
the chipboards, which became numer
one in demand with its quality in Turkey
and many other countries in the world. The
wood raw material first cut into chips in
chipping machine, and then taken into wet
chip silos. The chips dried in the dryers
are sorted and top and medium layer chips
are stored in separate silos. Later they
are mixed with glue and other chemicals
and the spreading machine, which spreads
the top, roughly forms the board and medium
layers on the belt and then produced as
boards by press machine under heat and pressure.
Then, cooling, sizing and piling processes
are performed. After leaving for test 1-3
days for conditioning, the boards are sanded
and prepared for sale.
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REQUIREMENTS FOR BOARDS
FOR INTERIOR FITMENS (INCLUDING FURNITURE)
FOR USE IN DRY CONDITIONS
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Property
|
Test
method
|
Unit
|
Ranges
of nominal thickness (mm)
|
|
3
to 4
|
>4
to 6
|
>6
to 13
|
>13
to 20
|
>20
to 25
|
>25
to 32
|
>32
to 40
|
>40
|
|
Tolerance
of Nominal Dimensions
|
TS
EN 324-1
|
mm
|
|
|
Thickness
|
TS
EN 324-1
|
mm
|
±0,3
|
|
Lenght
and Width
|
TS
EN 324-2
|
mm
|
±5
|
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Squarencess
Tolerances
|
TS
EN 324-2
|
mm/m
|
2
|
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Tolerances
on mean density whitin a panel
|
TS
EN 323
|
%
|
±10
|
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Internal
Bond
|
TS
EN 319
|
N/mm2
|
0.45
|
0.45
|
0.40
|
0.35
|
0.30
|
0.25
|
0.20
|
0.20
|
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Bending
Strenght
|
TS
EN 310
|
N/mm2
|
13
|
15
|
14
|
13
|
11,5
|
10
|
8,5
|
7
|
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Moduls
of elasticity
|
TS
EN 322
|
N/mm2
|
1800
|
1950
|
1800
|
1600
|
1500
|
1350
|
1200
|
1050
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Moisture
|
TS
EN 322
|
%
|
5
- 13
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Formaldehyde
potantial (preparator Value)
|
TS
EN 120
|
mg/100gr.
|
CLASS
I <= 8mg/100gr.
CLASS
II > 8mg./100gr. <= 30
mg/100 gr.
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Note:
The values are characterised by a moisture
content in the material corresponding to
a relative humidity of 65 % and temerature
of 20 C.
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