Annals of Warsaw University of Life Sciences - SGGW

In the light of future finishing of the panels’ faces, more usable parameters are Rp and Rv.
Those two parameters gives the information about the height of the peaks (Rp) and depth of
the valleys (Rv). If the Rp is low, the finishing material, i.e. laminate sheet will be better
supported by face of the panel. The value of the Rv provides the characteristic of the surface
in case of the future glues or lacquers/paints demand: the deeper valleys (higher Rv value)
needs more above mentioned liquids to become fulfilled. It can be pointed, that the panels
with the higher density have the better surface quality to finish with the most common
method, i.e. laminating. It should be also mentioned, that, generally, the panels made out from
the fibrous chips have the better surface quality, compare to the panels produced from the
industrial particles.
CONCLUSION
On the basis of the above mentioned results, the following conclusions and remarks can
be formulated:
- the quality of the surface of the panels made out from the fibrous chips, measured
by Ra, Rz, Rp and Rv is better than the surface of the panels produced from the
industrial particles,
- the quality of the panels is getting better with the panels’ density increase,
- there is no special limitation in case of the finishing method of the panels produced
from the fibrous chips, compare to the panels made out from the industrial particles.
ACKNOWLEDGEMENTS
This paper was financially supported by the Polish Ministry of Science and Higher Education
within grant number N309 1068 33.
REFERENCES
1. S. HIZIROGLU, S. SUZUKI, Evaluation of surface roughness of commercially
manufactured particleboard and medium density fiberboard in Japan, Journal
of Materials Processing Technology 184 (2007) 436–440.
2. G. NEMLI, I. OZTURK, I. AYDIN, Some of the parameters influencing surface
roughness of particleboard, Building and Environment 40 (2005) 1337–1340.
3. ROLLERI, E. ROFFAEL, Surface roughness of uncoated particleboards and its
relation with the raw material, adhesive and climatic conditions, Eur. J. Wood Prod.
DOI 10.1007/s00107-009-0363-8 (2009).
4. G. KOWALUK, M. ZBIE�, P. BEER, The quality of milling of the particleboards
produced from fibrous chips, Ann. WULS-SGGW, For and Wood Technol. 71, 2010.
22