Acid dyes have broad range shades, with good value, for piece dyeing wool and worsted goods. Fair to good leveling and light fastness.

Acid Violet 131 

Properties and Applications:
 

Bright blue purple. Deep navy powder, easily soluble in water is purple, easily soluble in ethanol is violet blue, the strong sulfuric Acid Dyes is red light yellow, diluted for green light; In nitric acid are blue-ray fruit green; Its water solution and sodium hydroxide is shallow dark purple. This product is only used for the wool of spell dye, can be used for leather shading.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	1	3-4	2	4-5	1	5	3-4	2
AATCC	1	3	3	4	2-3	1	3-4	3-4

Acid Violet 131 

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