Evaluating the Mechanical Properties of Polymer Concrete: A Comparative Study of Various Polymeric Additives examines the impact of different polymeric additives on the mechanical properties of polymer concrete, a composite material that combines traditional concrete with polymers to enhance its performance. This area of study has gained traction in civil engineering and construction due to the superior mechanical properties and durability of polymer concrete compared to conventional concrete, making it an attractive option for various applications, including 3D printing and infrastructure projects. [1][2]. This research primarily focuses on how polymer additives, such as polyvinyl alcohol (PVA) and vinyl acetate–ethylene copolymer (VAE), influence the compressive, flexural, and tensile strength of the concrete, as well as its workability and resistance to environmental factors. Key findings reveal that specific polymers can significantly improve the mechanical performance of concrete, with certain combinations yielding up to 33% increases in compressive strength and 63% in flexural strength after 28 days of curing. [3] Conversely, the study also highlights potential drawbacks, such as the adverse effects of excessive polymer content on hydration and structural integrity, necessitating careful optimization of mixture formulations. [1][4]. The methodology employed in the study includes a three-level two-factor experimental design, which facilitates a systematic assessment of various material combinations. Results are analyzed through rigorous statistical techniques, including regression analysis, to quantify the influences of polymer types and proportions on concrete properties. The outcomes emphasize the dynamic relationship between polymer content and performance metrics, providing insights for future applications in construction and material science. [4][1]. Notably, this research addresses significant controversies surrounding the use of polymer additives, particularly concerns about their potential to hinder hydration if used excessively. This emphasizes the need for balanced formulations to maximize the benefits of polymer modifications while mitigating any negative impacts on concrete strength and durability. [1][4]. As the construction industry increasingly seeks materials that combine performance with sustainability, understanding the mechanical properties of polymer concrete remains a critical area of investigation.