Study on Mechanical Properties and Fire Resistance of Epoxy Nanocomposite Reinforced with Environmentally Friendly Additive: Nanoclay I.30E

Table 6

Flame-retardant properties of epoxy Epikote 240/nanoclay I.30E nanocomposite materials.

No.	Stirring (rpm)	wt% nanoclay I.30E	LOI (vol% O2 ± 2σ)	Combustion rate (mm/min)	UL94 HB (mm/min)
1	Neat epoxy	0	20.6	28.41	—
2	1500	2	21.9	26.55	25.11
3	2000	2	21.9	26.15	25.09
4	2500	2	22.8	25.45	24.08
5	3000	2	23.7	24.50	22.59