Properties of medium density fibreboard (MDF) admixture rubberwood rrim 2020 clone fibres and oil palm empty fruit bunch (EFB) fibres blends
2008
Harmaen A. S. | Jalaludin Harun | Paridah Md Tahir | Nor Yuziah M. Y.
The increasing demand on rubberwood by various industries in Malaysia is due to shortage in supply. Trend of replanting RW acerage vs oil palm trees have significantly reduced the future supply further. Subsequently the oil palm industries has been shown to be capable to generate large amount ofcellulosic residues in form of frond, trunk and empty fruit bunches. These oil palm fibres are therefore potential substitution material for rubberwood in MDF manufacture. However, there is no information as to whether these fibres could be mixed with the rubberwood fibres. This study looks at MDF board properties of admixtures of RW and EFB with ratio of 100%RW, 70%RW30%EFB, 50%RW50%EFB, 30%RW70%EFB and 100%EFB. Analysis of variance were conducted to determine variance in Densities, Moisture content (MC), Modulus of rupture (MOR), Modulus of elasticity (MOE), Internal bonding (lB) and thickness swelling for these admixtures. In bending strength, all the boards passed the minimum requirement of the JIS A 5905:2003 for Type 30 board except for the board containing 100%EFB which only achieve Type 15 board. The physical strength of properties (MOR, MOE and lB) of the MDF board from 100%RW fibre was significantly superior (p<0.05). The dimensional stability properties TS made from board admixture (70%RW and 30%EFB) board were shown to be the best.
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