<![CDATA[High-Density Polyethylene (HDPE) plastic waste has the potential to be repurposed as an alternative material, while mahogany wood is known for its favorable mechanical properties. This study aims to determine and compare the mechanical properties of recycled HDPE and mahogany wood through tensile, flexural, and compressive testing. An experimental method was employed, involving the fabrication of specimens from both recycled HDPE and mahogany wood. Tensile testing was conducted in accordance with ASTM D638, while flexural testing followed ASTM D790-02. The parameters analyzed included tensile strength, elongation, flexural strength, flexural strain, and maximum compressive stress. The results indicate that the average tensile strength of mahogany wood is 23.964 MPa, whereas that of HDPE is 12.241 MPa. The average maximum compressive stress is 1.693 MPa for mahogany wood and 1.315 MPa for HDPE. In the flexural tests, the average flexural strength of mahogany wood is 497.892 MPa, slightly higher than that of HDPE (493.705 MPa). HDPE exhibits an average elongation of 60.733%, which is higher than that of mahogany wood (14.857%). The findings demonstrate that mahogany wood possesses superior mechanical strength, whereas HDPE exhibits significantly greater elongation capabilities compared to mahogany wood.]]>
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