Dyeing of Polyester and Polyamide Synthetic Fabrics with Natural Dyes Using Ecofriendly Technique

Table 2

Effect of exposure time on washing fastness of polyester dyed samples.

Exposure time (min)	Curcumin dye		Saffron dye
	Staining	Alteration	Staining	Alteration
0 (untreated)	5	2/3	5	4
5	4/5	2/3	5	4
20	4/5	3	5	4/5
50	4/5	3	5	4/5
110	4/5	3	5	4/5
120	4/5	3	5	4/5