OSB/3 board (according EN 300) for loadbearing purposes
under humid conditions, emission class - E1, (Rec. No.: 730) (Tests according valid EN - standard. Testing after
conditioning at climate of 20° abd 65% RH.)
Property
Unit
6.0 - 10 mm
>10 - <18 mm
18 - 25 mm
>25 - 40 mm
density
kg/m³
>630
>620
>600
>600
internal bond
N/mm²
>0.34
>0.32
>0.30
>0.28
internal bond (after cyclic test)
N/mm²
>0.18
>0.15
>0.13
>0.11
internal bond (after boiling test)
N/mm²
>0.15
>0.13
>0.12
>.010
modulus of rupture (major direction)
N/mm²
>22
>20
>18
>16
modulus of rupture (minor direction
after cyclic test)
N/mm²
>9
>8
>7
>6
modulus of rupture (minor direction)
N/mm²
>11
>10
>9
>8
modulus of elasticity (major direction)
N/mm²
>5000
modulus of elasticity (minor direction)
N/mm²
>2000
tolerance of mean density
%
±10
24 hr. Thickness Swelling
%
<15
moisture *
%
5 - 12
formaldehyde content **
mg/100g
<8.0
tolerance in length
mm
±3.0
tolerance in width
mm
±3.0
tolerance in thickness (sanded)
mm
±0.3
tolerance in thickness (unsanded)
mm
±0.5
bowing
mm/m
<1.5
squareness
mm/m
<2.0
edge straightness
mm/m
±1.5
sanding grade
grain 100
thermal conductivity
W/mK
0.13
water vapour permeability
/µ value
dry cup = wet cup = 200
* at delivery
** perforator value according to DIN EN 120
according
to "DIBt-recommendation 100" from June 1994 are the
allowed values:
half
year average value <6.5 mg HCHO/100g abs. dry board
single
value
<8.0 mg HCHO/100g abs. dry board
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