Reactive Dyes

Reactive Dyes are the most versatile and popular class of Organic Dyes for importing color on cellulosic fibres. As the name suggests, these dyes chemically react with cellulose to form a covalent bond between dye molecule and cellulose. Reactive site on dye reacts with functional group on the fibre to bind dye covalently under influence of heat and proper pH. Reactive dyes are unique as they are the only class of dyes that actually form a chemical bond with the textile fiber and this bond gives them their excellent wash fastness properties. Reactive dyes are used to cotton Rayon wool silk & Nylon.

			C. I. Reactive	Solubility gms /lit.			Substantivity	Reactivity	Uses			Dischargeability	Presence of Metal Ion	Fixation Temperature (ExhaustDyeing)	Fastness Properties
				Temperature	Straight	30 Parts / 1000 Common Salt			Exhaust	Padbatch	Printing				Day Light1/1	Washing
																ISO 3		ISO 4
																Alteration	Stain	Alteration	Stain
1.0%	3.0%	Product Name														Alteration	Stain	Alteration	Stain
		Yellow H7 GL	–	30ºC	60	50	M	M	S	S	S	C	No	60ºC	6-7	4-5	4-5	4-5	4-5
		Yellow GL	Yellow 37	30ºC	100	75	M	M	S	S	S	A	No	45ºC	6	4-5	4-5	4	4
		Yellow FG	Yellow 42	30ºC	80	60	L	M	LS	S	S	A	No	45ºC	5-6	5	5	5	5
		Yellow GR	Yellow 15	30ºC	100	80	H	M	S	S	LS	A	No	60ºC	5-6	4-5	4-5	4	4
		Golden Yellow G	Yellow 17	30ºC	100	70	H	M	S	S	S	B	No	45ºC	5	4-5	4-5	3-4	4
		Golden Yellow HRNL	Orange107	30ºC	100	75	H	M	S	S	S	B	No	45ºC	6	4-5	5	4	4
		Golden Yellow R	Yellow201	30ºC	100	80	H	M	S	S	S	A	No	45ºC	5	4-5	5	4	4-5
		Orange 2R	–	30ºC	100	75	H	M	S	S	S	A	No	60ºC	5	4-5	5	4-5	5
		Orange 3R	Orange 16	30ºC	80	60	H	M	S	S	S	A	No	60ºC	3	4-5	5	5	5
		Red BB	Red 21	30ºC	100	75	H	M	S	S	S	A	No	60ºC	5-6	5	4-5	2-3	4
		Brilliant Reb RB	–	30ºC	100	80	M	M	S	S	S	A	No	60ºC	3-4	5	4-5	5	4-5
		Red C2GL	Red 106	30ºC	100	80	L	M	LS	S	S	A	No	60ºC	4-5	5	5	3-4	5
		Red 5B	Red 35	30ºC	100	80	L	M	LS	S	S	A	No	60ºC	4	5	5	3-4	5
		Red BSID	Red 111	30ºC	60	50	L	M	S	S	S	B	No	60ºC	4	3-4	5	3-4	5
		Violet 5R	Violet 5	30ºC	100	75	M	M	S	S	S	C	Yes	60ºC	6-7	4	5	5	2-3

Reactive Dyes

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