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

Table 10

Effect of ultrasonic stirring power on flame-retardant properties of epoxy Epikote 240/nanoclay I.30E nanocomposite material.

Power (W, %)	wt% nanoclay I.30E	LOI (vol% O2 ± 2σ)	Combustion rate (mm/min)	UL94 HB (mm/min)
E 240	0	20.6	28.41	—
25	2	22.8	24.71	24.07
50	2	23.7	24.50	22.59
75	2	23.7	24.67	22.69
100	2	23.2	25.02	23.55