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Comparative analyses of water soaking and thickness swelling of particleboard versus different test methods

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Author(s): Điporović-Momčilović Milanka | Popović Mlađan | Gavrilović-Grmuša Ivana | Miljković Jovan

Journal: Glasnik Šumarskog Fakulteta
ISSN 0353-4537

Volume: 2008;
Issue: 98;
Start page: 65;
Date: 2008;
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Keywords: particleboard | water soaking | thickness swelling | test methods

ABSTRACT
In regard to its hygroscopic properties, particleboard is dimensionally unstable material when exposed to water or in the atmosphere of high level of humidity. Since today several different standardized methods for determination of thickness swelling exist, the aim of this study was focused on comparison of different testing methods. In this aim, three different methods for determination of water soaking and thickness swelling were compared, two of which were defined by national standard SRPS D.C8.104 and one was defined by European standard EN 317. The results of testing of both properties have shown no significant difference between the EN method based on 50×50 mm test pieces and the SRPS method based on test pieces of 100×100 mm format, suggesting that these two methods can be used alternatively. On the other hand, the results obtained by the SRPS method utilizing the 25×25 mm test pieces, differed significantly from both previous methods. The results were lower for both water soaking and thickness swelling regardless of panel thickness.
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