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Model No.: Dyrect Pink Red 12B
Packaging: 25Kgs/Carton
Pink Red 12B Red 31 5001-72-9 Brilliant Bluish Red Direct Dyes
Dyrect | C.I. Direct | CAS No. | Characteristics | |
---|---|---|---|---|
Pink Red 12B | Red 31 | 5001-72-9 | Brilliant Bluish Red |
Properties and Applications
Colourful red blue light. Red brown powder. Soluble in water for product red solution, the solubility of 45 g/L (80 ℃), also can dissolve in fiber element solution, slightly soluble in alcohol for red orange, insoluble in other organic solvents. The strong sulfuric acid in orange to red light for brown, diluted dark blue light red precipitate generated; In nitric acid solution for orange brown, precipitation. The dye solution to generate strong hydrochloric acid purplish red precipitate; Add thick sodium hydroxide solution for orange brown. Copper ions in dyeing dim light; Iron ion in micro have change. Mainly used in viscose, such as cotton, silk, polyamide fiber cellulose fiber and viscose/silk blended fabric dyeing, can be used for pulp shading.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 4 | 2 | 1-2 | 1-2 | ||
AATCC | 3-4 | 4 | 1 | 1 | 1-2 |
Product Categories : Dyes > Direct Dyes
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