CAS12236-86-1|Reactive Blue 21

Introduction and application of CAS12236-86-1|Reactive Blue 21

Purpose Reactive Emerald Blue KN-G can be used for dyeing cotton and viscose fibers. It is suitable for various dyeing methods. It has medium affinity and low fixation rate. It can be used for dyeing single colors, and can also be used for spelling green, dark green, etc. It is also used for direct and resist printing of cotton and viscose fabrics, and can only be used for light colors. Used for dyeing silk, wool, nylon, and vinylon, but has poor light fastness. It is used for direct printing of cotton blended fabrics, can print medium and dark colors, and has good fastness. Used for dyeing and printing of cotton, viscose, wool, silk and other fibers

Specification of CAS12236-86-1|Reactive Blue 21

blue powder. Solubility in water (20°C) is 100g/L. The aqueous solution is lake blue. The color remains unchanged after adding 1mol/L sodium hydroxide. Then add insurance powder and warm it to turn purple. Add sodium borate and return to the original color, which is slightly lighter. It appears blue in concentrated sulfuric acid, and the color remains unchanged after dilution; it appears green in concentrated nitric acid, and the color is slightly lighter after dilution.

Package and transportation of CAS12236-86-1|Reactive Blue 21

Packaging specifications:

25kg/drum; or packaged according to customer requirements.

transportation storage

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