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. 2021 Jan 20;11(2):266. doi: 10.3390/nano11020266

Figure 5.

Figure 5

Flame retardant characterization: (a) Pictures of flammability test in horizontal configuration of untreated PU foam, 3BL CHIT/GOA treated PU foam, 3BL CHIT/GOB PU foam and 3BL CHIT/GOC PU foam. First column: right after ignition, second column: 15 s after ignition and third column: end of the test. (b) HRR vs time plots of 3BL samples. (c) HRR vs time plots of 6BL samples.