Pang, Xiu-Yan, Yu Tian, Zhi-Xiao Zhai, and Ming-Wei Duan. 2014. “Preparation of Expandable Graphite Intercalated by Sulfuric Acid and Sodium Silicate and Its Flame Retardancy Application for Ethylene Vinyl Acetate Copolymer”. Asian Journal of Chemistry 26 (14):4297-4302. https://doi.org/10.14233/ajchem.2014.16206.