Ahmed J. Mohammed, Muhsen Chelab Muhsen, Fatima H. Malik, Mahir A. Jalal and Ibrahim K. Ibrahim 2023. Study the effect of adding vulcanized rubber powder on the mechanical properties and fire retardant of polyurethane Sealant . Metallurgical and Materials Engineering. 29, 3 (Oct. 2023), 9–19. DOI:https://doi.org/10.56801/MME1004.