The flammability and mechanical property of the epoxy composite samples.

Entry	Composite samples	t 1 a (s)	t 2 b (s)	UL-94 rating	LOI (%)	Impact strength (kJ m−2)
1	Epoxy resin (EP)	—	—	NQc	19.2	42.18
2	EP/10APP–PEI	18	21	V-1	25.8	17.76
3	EP/10FR11	17	44	NQ	—	38.66
4	EP/5APP–PEI/5FR1	18	37	NQ	—	26.14
5	EP/5APP–PEI/5FR2	19	36	NQ	—	26.37
6	EP/5APP–PEI/5FR3	7	24	V-1	26.2	25.62
7	EP/5APP–PEI/5FR4	12	32	NQ	—	25.94
8	EP/5APP–PEI/5FR5	5	19	V-1	27.4	27.08
9	EP/5APP–PEI/5FR6	32	26	NQ	—	26.43
10	EP/5APP–PEI/5FR7	6	24	V-1	26.0	26.72
11	EP/5APP–PEI/5FR8	9	28	V-1	25.6	25.87
12	EP/5APP–PEI/5FR9	8	20	V-1	26.2	23.34
13	EP/5APP–PEI/5FR10	4	6	V-0	28.4	27.84
14	EP/5APP–PEI/5FR11	3	4	V-0	28.6	27.32
15	EP/5APP–PEI/5FR12	28	36	NQ	—	26.72
16	EP/5APP–PEI/5FR13	8	22	V-1	27.0	26.41
17	EP/5APP–PEI/5FR14	16	26	V-1	26.4	26.05
18	EP/5APP–PEI/5FR15	28	32	NQ	—	27.56
19	EP/5APP–PEI/5FR16	26	38	NQ	—	27.64

^aAverage self-extinguishing time after the first ignition.

^bAverage self-extinguishing time after the second ignition.

^cNQ: not qualified.