Deep grey powder Direct Blue 70 RGL C.1. 34205 CAS NO. 6428-58-6

Direct dyes direct blue RGL C.1. 34205 CAS NO. 6428-58-6 Direct blue 70

Product Name: C.I.Direct Blue 70(34205)；Direct Fast Blue RGL；Sirius Blue FG；Direct blue D-RGL；C.I. Direct blue 70

Molecular formula: C₄₂H₂₅N₇Na₄O₁₃S₄

 CAS No.: 6428-58-6

Application:

  Direct blue RGL is mainly used for dyeing cellulose fiber fabrics such as cotton, hemp and viscose. It is one of the commonly used dyes. It is also used for printing. It shows red light and blue, has good levelness and good dye uptake. It can dye polyester / viscose blended fabrics at high temperature in the same bath with disperse dyes. It can also dye silk and its fabrics. When dyeing viscose fabric, the dosage is 0.45%. After being treated with 2% fixing agent y, the fastness to soaping, washing and perspiration is grade 4-5.

Shade	Shade Depth o.w.f%	C.I.	Light fastness	Soaping fastness 40℃			Perspiration fastness			Rubbing fastness
	1	blue 70	4-5	CH	CO	V	CH	CO	V	Dry	Wet
				3-4	4-5	4-5	3-4	4-5	4-5	4	2-3

Storage: It shall be stored in a cool, dry and ventilated place to prevent moisture and heat. 

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