The Effect of Temperature on Tensile Strength of Polypropylene Plate Material Using Hot Gas Welding (HGW) Method. JTMMX [Internet]. 2022 Jul. 29 [cited 2025 Aug. 25];3(1):9-16. Available from: https://journal.ubpkarawang.ac.id/index.php/JTMMX/article/view/2453