PROPERTIES

PROPERTIES

Bending tensile strengh:

in the longitudial direction
in the traverse direction

ČSN EN 12467
min. 10,5 MPa
min. 17,5 MPa
Volume density  ČSN EN 12467  > 1600 kg/m3
Absorbability of the boards submerged in water for 24 hours  ČSN EN 317   max. 13 %
Thickness swelling of the boards submerged in water for 24 hours  ČSN 317  max. 0,3 %
Weight equilibrious 20oC and  at relative humidity 65%  ČSN 322  max. 8 - 10%
Linear expansion at humidity changes from 35 % to 85 % at 20oC  ČSN 318  max. 0,2 %
Thickness swelling after cycling in a humid enviroment  ČSN EN 321   0 %
Fissility after cycling in a humid enviroment  ČSN EN 321  min. 0,50 N/mm2
Frost resistance  ČSN EN 12467  RL > 0,75 při 100 cyklech
Degree of combustibility - Reaction to fire  ČSN EN 13501-1  A1
Fire resistence ČSN EN 1363-1 tl. 5mm 6 minutes
tl. 8mm 15 minutes
tl.10mm 16 minutes
Coefficient of heat-carrying capacity ČSN ISO 8302 max. 0,35 W/mK
Resistance to electric art ČSN EN 61621 tl. 5 mm 236 second
tl. 8 mm 213 second
tl.10 mm 142 second
Modulus of elasticity ČSN ISO 8338 7 000 MPa perpendicularly to the fibres
9 000 MPa along the fibres
Persistence to pulling wood-screw ČSN EN 320 min. 100 N/mm 
Elongation nail heads ČSN 49 0177 min. 530 N/mm
Fissility ČSN EN 319  min. 0,4 Mpa
Taughness ČSN 49 0154  tl. 5mm min. 0,31 J/cm2
tl.18mm min. 0,82 J/cm2
Health and hygienic requirements Direction RE 76/769/EHS  hygienic safety
Content of natural radionuclides
Weight activity index
  meet (comply) ≤ 0,5
meet (comply) ≤ 150 Bq/kg
Bearing capacity of boards - loading tables   to download „Certification“
Index of sound-transmission loss ČSN 730513,730512  Rw = 30 dB
Resistance to electric art ČSN 332000-5-52:1998  resist without breach of material

 

 

 

 

 



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