Table 5. Cone calorimeter test data of PP and its flame-retardant composites.

Sample	TTI [s]	PHRR [kW m−2]	t PHRR [s]	THR [MJ m−2]	FPI [s m2 kW−1]	FGI [kW (m−2 s−1)]	TSR [m2 m−2]
PP	43	978.5	200	150.5	0.044	4.89	1451.4
P1	34	309.8	73	109.8	0.109	4.24	454.7
P2	27	255.8	71	113.8	0.106	3.60	769.6
P6	29	251.1	65	121.9	0.115	3.86	233.3