Acid Black 194 is a deep black acid dye commonly used in textile, leather, paper, and ink applications. It belongs to the family of water-soluble acid dyes, known for producing intense and uniform black shades on protein fibers such as wool, silk, and nylon. Its excellent dyeing affinity and good fastness properties make it a preferred choice in industries that require durable and stable black coloration.
Acid Black 194 Appearance is dark brown powder. Soluble in water, solubility in water is 100g / L (90 ° C).
TRADE NAME:Acid Black RM,Acid Black MSRL,Acid Black SRL Conc,NEUTRAL BLACK 2S-BL,Acid TSA Black MRL,Acidol Black M-SRL,Airedale Fast Black,Akacid Black SRL,ACID BLACK MS-BL,Cyanine Black RL Conc,Dorasyn Black D2R 125%
Standard | Fiber | Soaping | Persperation Fastness | Oxygen bleaching | Light | |
Fading | Stain | |||||
ISO | Wool | 3-4 | 4-5 | 4-5 | 5 | |
Testing method | fiber | alkali resistant | Carbonization | Chlorine bleaching | Steam wool | Boiling wool | Seawater color change | Soaping | Perspiration change | Light fastness | ||
color change | stains | color change | stain | |||||||||
ISO | wool | 3~4 | 4 | 4~5 | 4~5 | 4 | 3~4 | 4~5 | 3~4 | 4~5 | 4~5 | 5 |
Soaping ISO105-C06-B2S(50℃) | Flooding ISO105-E01 | Alklai perspiration ISO105-E04 | Light fastness ISO105-B02 | Rubbing ISO105-X12 | ||||||||
color change | nylon stains | cotton stains | color change | nylon stains | cotton stains | color change | nylon stains | cotton stain | 0.5% (owf) | 2.0% (owf) | dry | wet |
4~5 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 5 |
Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing. Nylon fabric in good dye deep performance. Also can be used for leather color.
Yes, Acid Black 194 exhibits good fastness to washing, perspiration, and light, especially when applied to protein fibers. Its durability makes it suitable for garments, upholstery, and leather goods.
It is highly compatible with other acid dyes, allowing dyers to achieve customized shades of black or darker tones by blending with blues, violets, or browns.
Yes, it performs well in both exhaust dyeing and continuous processes, providing uniform penetration and consistent shades across fabric lengths.
Proper dye bath pH control is important, typically maintained in the acidic range for optimal fixation. Adequate rinsing and after-treatments are recommended to enhance fastness properties, especially for end-uses exposed to light and perspiration.
