<![CDATA[This research was aimed to determine the effect of fiberglass fibers in increasing the tensile strength of HDPE composites and their advantages over PVC materials. The specimens were printed using a hot press by pressing and heating at a temperature of 140°C, mixing the materials was carried out by mixing in a measuring cup, then cutting was carried out for tensile testing with the ASTM D3039 standard on the specimen. The results of the study obtained tensile strength with a fraction of 70% vol HDPE resin, 30% vol fiber fiberglass average of 13.774 Mpa with short fiber type and fraction 75% vol HDPE resin, 25% vol fiber fiberglass average of 24,334 Mpa for this type of fiber the length and tensile strength of PVC material has a value of 7 25 Mpa, the tensile strength of HDPE fiberglass composite of 24,334 Mpa is sufficient to replace PVC.]]>
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