Table 3.

Indicates the fastness properties of dyed polyester and nylon at 120 ˚C for dyes 1, 2, 3, and 4 without dispersing agent at the I.R. technique and without dispersing agent at 80 ˚C using ultrasonic techniques.

		Properties Fabric	Light	Rubbing		Washing					Perspiration
											Alkaline					Acidic
				Wet	Dry	Alt	SC	SW	SP	SN	Alt	SC	SW	SN	SP	Alt	SC	SW	SN	SP
DYE 1	IR	Nylon	4	3	4	4–5	4–5	4	4–5	3–4	4–5	4	4	3	4–5	4–5	4–5	4	3	4–5
		Polyester	5	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
	Ultrasonic	Nylon	4	3–4	3–4	4–5	4–5	3–4	3–4	3	4–5	4	4	3	4–5	4–5	4–5	4–5	4–5	4–5
		Polyester	4	4	4	4	4	3–4	3–4	3	4–5	3	3	3	3	4–5	4	3	3	4–5
DYE 2	IR	Nylon	5–6	5	5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
		Polyester	6–7	5	5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
	Ultrasonic	Nylon	4–5	3	4	4–5	4–5	4	4	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
		Polyester	5	3–4	3–4	4–5	4–5	4–5	4–5	4–5	4–5	4	4	4	3	4–5	4–5	4	4	3
DYE 3	IR	Nylon	4	4–5	4–5	4–5	4–5	4	4–5	3–4	4–5	4	4	4	4–5	4–5	4	4	4	4–5
		Polyester	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
	Ultrasonic	Nylon	4	4–5	4–5	3–4	4–5	3–4	4–5	3	4–5	3	4	3	4–5	4–5	4–5	4	3–4	4–5
		Polyester	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
DYE 4	IR	Nylon	5–6	4	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
		Polyester	6–7	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5
	Ultrasonic	Nylon	4–5	3–4	4	4–5	4–5	4–5	4–5	3–4	4–5	4–5	4–5	4–5	4–5	4–5	3	4–5	4	4–5
		Polyester	5	4	4	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5	4–5