<![CDATA[The strengthening of existing reinforced concrete columns requires materials that can improve structural performance without significantly increasing member dimensions and self-weight. Fiber-Reinforced Polymer (FRP) offers a lightweight and high-strength alternative; however, its tensile properties must be experimentally characterized to establish reliable material parameters for external strengthening applications. This study aims to characterize and compare the tensile properties of Tyfo SCH 7UP and SCH-7UP FRP materials for potential application in reinforced concrete column strengthening. Tensile testing was conducted at the BRIN Polymer Laboratory, Serpong, Indonesia, in accordance with ASTM D3039/D3039M-17, using five specimens from each material group. The test data were analyzed based on tensile strength, nominal strain at break, coefficient of variation, and statistical comparison using Welch’s t-test and the Mann–Whitney test. The results showed that Tyfo SCH 7UP (R24080341) achieved a higher mean tensile strength of 1,384.37 ± 102.30 MPa, approximately 13.4% higher than SCH-7UP (R24080342), which recorded 1,220.77 ± 141.17 MPa. Conversely, SCH-7UP exhibited a higher mean nominal strain at break of 4.44 ± 1.15%, compared with 2.68 ± 0.32% for Tyfo SCH 7UP. The tensile-strength difference was not statistically significant (p = 0.072), whereas the strain-at-break difference was statistically significant (p = 0.024). These findings indicate distinct strength–deformation characteristics between the two FRP materials and provide initial material parameters for subsequent reinforced concrete column strengthening studies.]]>
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