Impact strength analysis of composite material made from plastic waste and banana stem fiber for electric motorcycle body application
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Author |
Wirawan Sumbodo, Habib Bunajar, Rizki Setiadi, Rizqi Fitri Naryanto, Wahyudi and Febrian Arif Budiman
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e-ISSN |
1819-6608 |
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On Pages
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152-158
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Volume No. |
21
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Issue No. |
3
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Issue Date |
April 10, 2026
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DOI |
https://doi.org/10.59018/022625
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Keywords |
pet plastic waste and banana stem, banana stem fiber.
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Abstract
The abundant plastic and banana stem waste is a serious environmental problem, but it has the potential to be used as a composite material for structural applications such as electric motorcycle bodies. This study aims to analyze the effect of variations in the composition of PET plastic waste and banana stem natural fibers on the impact strength of epoxy resin-based composites, and to compare the performance of composites fabricated using two different methods, namely hand lay-up and compression molding. Three variations of the PET to SPP ratio were used in this study, namely 10%: 30%, 20%: 20%, and 30%: 10%, with an epoxy resin fraction of 60%. The specimens were tested using the Charpy Impact Test method with ISO-179 standards. The results showed that the compression molding method produced higher impact strength values than hand lay-up. The highest value was recorded in the composition of 30% SPP and 10% PET with the compression molding method, which was 4.9 kJ/m². Conversely, the lowest value of 1.77 kJ/m² was obtained in the same composition with the hand lay-up method. Based on the research results, the composition of 30% SPP and 10% PET fabricated using the compression molding method is recommended as an alternative material for electric motorbike bodies that is environmentally friendly and has adequate mechanical performance.
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