Реактивный синий 81

Подготовка

5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation .

Свойства и приложения

red light blue. Blue powder, in the water solubility is better. Used for cotton fabrics, polyamide, wool dyeing or fountain of rolling dyeing.

Standard(cellulose)	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	3-4					4-5