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Sushardi Sushardi
Faculty of Forestry, Stiper Agriculture Institute, Yogyakarta, Indonesia
Humanities Electrical & Electronics Engineering Library & Information Science Materials Science & Nanotechnology Social Sciences Other

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Utilization of Plastic Waste and Sengon Sawdust for Making Composite Boards Sushardi Sushardi; Renny Purnawati; Ragil Widyorini
Journal of Mandalika Social Science Vol 4 No 2 (2026): Journal of Mandalika Social Science
Publisher : Mandalika Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59613/jomss.v4i2.512

Abstract

The potential for plastic waste and wood sawdust is currently experiencing a huge increase. The waste has the potential to greatly disturb the environment and play a role in increasing global warming. One of the results of processing wood and plastic waste is the manufacture of composite boards. This study aims to determine the influence of material composition and adhesive content on the properties of composite boards. The benefit of this research is to provide alternative utilization of plastic waste and sengon sawdust waste as raw materials for composite boards. This study used a randomized design complete with factorial experiments with Tukey's follow-up test. The factors used in the study were the composition of sengon powder material with plastic (90%: 10%, 80%: 20%, and 70%: 30%), and adhesive content (7%, 8%, and 9% of the weight of the material). The parameters studied are density, water absorption, thickness swelling, and compressive strength. The results showed that the material composition factor had a real effect on all parameters studied. The adhesive content factor has a significant effect on the thickness swelling and compressive strength. The average value of density is 0.451 – 0.551 g/cm3, water absorption is 80.760 – 118.101%, thickness swelling is 13.079 – 22.933%, and compressive thickness swelling is 21.598 – 25.004 kg/cm2. The resulting composite board complies with the required standards.
Co-Authors Ragil Widyorini Renny Purnawati