Xu, Deng and Lang (January 2020). "Flame retardancy and smoke suppression properties of transparent intumescent fire-retardant coatings reinforced with layered double hydroxides". Journal of Coatings Technology and Research. 17 (1): 157–169. doi:10.1007/s11998-019-00249-8. S2CID199473315.
merriam-webster.com
Merriam-Webster Dictionary, intumescence, accessed 13 March 2023
Xu, Deng and Lang (January 2020). "Flame retardancy and smoke suppression properties of transparent intumescent fire-retardant coatings reinforced with layered double hydroxides". Journal of Coatings Technology and Research. 17 (1): 157–169. doi:10.1007/s11998-019-00249-8. S2CID199473315.