Acid Yellow 44
Acid dyes have broad range shades, with good value, for piece dyeing wool and worsted goods. Fair to good leveling and light fastness.
Acid Yellow 44
Properties and Applications
Yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 4-5 | 5 | 4-5 | 4 | 5 | 4 | 5 |
| AATCC | 4 | 4-5 | 4-5 | 4-5 | 1 | 2-3 | 4-5 | 4-5 |
Acid Yellow 44
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