Possibility of press forming wood films into primary packaging

Researchers at the Lappeenranta University of Technology in Finland studied the possibility of press-forming a wood film into primary packaging. The results from the study shows that there were some challenges in obtaining a tray pressed from the wood film though the two studied wood species behaved similarly in the pressing test. The challenges were as follows: cracking in the direction of the fiber grain, cracking in the bending corners, uneven drying of the pressed wood film and colour change of the wood film after moistening.
They concluded that there is much work to be done before the quality of a tray produced from the wood film is comparable to that of the wood plastic composite tray.
Click here for a thesis about the research (1.94 MB).

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