Effect of Sepiolite-Loaded Fe₂O₃ on Flame Retardancy of Waterborne Polyurethane

Table 1

Sample number of film samples.

Sample number	Sample composition	Weight percentage of inorganic composites (wt.%)
S-1	WPU	0.0
S-2	WPU/Sep	6.7
S-3	WPU/Fe2O3	6.7
S-4	WPU/Sep@Fe2O3	6.7