Table 2.

Color fastness of wool fabrics dyed with spent coffee extract and mordanted with 1 wt % tannic acid aqueous solution.

Dyeing Conditions		Color Change to Washing (Grade)	Color Change to Light (Grade)
Temperature (°C)	Time (min)
90	30	4-5	3
	60	4-5	3-4
	90	4-5	3-4
	120	4-5	3-4
60	60	4-5	2-3
90		4-5	3-4
120		4-5	4