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Model No.: Dyrect Black G
Packaging: 25Kgs/Carton
Dyrect fast Dyes are applicable to cotton, rayon and linen, with good light fastness.
Dyrect | C.I. Direct | CAS No. | Characteristics | |
---|---|---|---|---|
Black G | Black 19 | 6428-31-5 | Greenish Black |
Green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ℃), slightly soluble in ethanol and acetone. The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color. Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4 | 3 | 3-4 | 2 | 2 | ||
AATCC | 4-5 | 3 | 3 | 2-3 | 2 |
Product Categories : Dyes > Direct Dyes
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