This work reports on the mechanical (tension, flexion, and impact) and physical (density and hardness) properties of polyester recycled tire fibers (RTFs) mixed with ground tire rubber and linear low-density polyethylene with and without styrene–ethylene–butylene–styrene grafted maleic anhydride as a compatibilizer. In particular, the effect of RTF content (10, 25, and 50 wt%), extruder screw speed (110, 180, and 250 r/min), and temperature profiles (extrusion and injection molding) was studied. The results showed that the best properties were obtained at the highest RTF content (50%) and extruder screw speed (250 r/min) combined with the lowest temperature profile in both extrusion and injection molding when the compatibilizer was added.
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