Studies on the effects of kaolin filler concentrations on the thermal and mechanical performance of furan–lignin foam formulations. Journal of the Nigerian Society of Physical Sciences, [S. l.], v. 8, n. 3, p. 3355, 2026. DOI: 10.46481/jnsps.2026.3355. Disponível em: https://journal.nsps.org.ng/index.php/jnsps/article/view/3355. Acesso em: 30 jul. 2026.