Suitability of Medium Density Fiber Board Made From Rubber Wood for Household and Industrial Use

MM Rahman, S. Hossain, M. S. Islam, M. Uddin
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Abstract

The use of fiber board is increasing due to limited supply of timer wood. This study investigated the suitability of medium density fiber board (MDF) made from rubber wood for household and industrial use. Rubber wood was collected from Bangladesh Forest Development Corporation (BFIDC), Chattogram. Single layer fiber boards were fabricated by five different densities, such as 700, 725, 750, 775 and 800 kgm-3. The mechanical and physical properties of medium density fireboards fabricated by rubber wood fiber as a raw material and urea formaldehyde as a resin were studied. The performance of composite was evaluated by its mechanical and physical properties. Experimental investigation indicated that the mechanical strength of medium density fiber board such as modulus of rupture (MOR) and tensile strength increased with increasing board density. The bending strength (188-234kgcm-2) passed the Indian, German and British standard while the tensile strength (4.20-4.70kgcm-2) passed the German and British Standard specification. The research concluded that 800kgm-3 fiber board made from rubber wood had the best modulus of rupture (234 kgcm-2) and the highest tensile strength (4.70 kgcm-2) among all other single layer medium density fiber boards. Bangladesh J. Agril. Res. 46(2): 203-209, June 2021
橡胶木中密度纤维板的家用和工业适用性
由于木材供应有限,纤维板的使用正在增加。研究了橡胶木中密度纤维板(MDF)在家庭和工业上的适用性。橡胶木材收集自孟加拉国森林发展公司(BFIDC), Chattogram。采用700、725、750、775、800 kgm-3等5种不同密度制作单层纤维板。研究了以橡胶木纤维为原料,脲醛为树脂制备的中密度火火板的力学性能和物理性能。通过力学性能和物理性能来评价复合材料的性能。试验研究表明,中密度纤维板的力学强度如断裂模量(MOR)和抗拉强度随板密度的增大而增大。抗弯强度(188-234kgcm-2)通过了印度、德国、英国标准,抗拉强度(4.20-4.70kgcm-2)通过了德国、英国标准。研究结果表明,橡胶木800kgm-3纤维板的断裂模量为234 kgm- 2,抗拉强度为4.70 kgm- 2,是所有单层中密度纤维板中断裂模量最高的。孟加拉国J. Agril。Res. 46(2): 203-209, 2021年6月
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