Novrianti, Alfiany N, Rizka A, Handayani C. Mathematical analysis of threshold temperature attainment in polypropylene during oven heating at 500oC. jerel [Internet]. 2026 Nov. 13 [cited 2026 Nov. 13];5(3):221-3. Available from: https://jerel.rlsociety.org/index.php/jerel/article/view/232