[1]
K. S. Souza et al., “Evaluation of the density of PET and PC polyurethane foams with a mixture of diisocyanates”, Braz. J. Prod. Eng., vol. 9, no. 6, pp. 40–44, Dec. 2023, Accessed: Aug. 12, 2026. Available: https://periodicos.ufes.br/bjpe/article/view/43276