Direct Orange S

Direct orange S

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Direct orange S applications

2. Direct orange S applied to natural silk, wool, leather and paper coloring.

Production Basic data of Direct Orange S:

Direct orange S as a direct dye has the following characteristics：

1、 Direct orange S as a direct dye have bright colors, cheaper prices and simple dyeing methods.

2、 Direct orange S as a direct dye can directly dye cotton, hemp, silk, wool, viscose, and nylon without any dyeing agent. They can also be directly dyed for vinylon, but the effect is not as good as dyeing cotton, and the color is usually red and dark.

3、 Direct orange S as a direct dye be directly dissolved in water. Because there are water-soluble groups in the dye molecule, the more water-soluble groups, the better the water solubility of the dye, but the poorer the fastness to washing and soaping on the fabric.

4、 Direct orange S as a direct dye have good water solubility, so inorganic salts such as table salt or Yuanming powder must be added during dyeing to reduce the solubility of the dye in water, thereby increasing the affinity of the dye to the fiber and playing a role in promoting dyeing.

5、 Although the direct dye can be directly dissolved in water, the solubility is different; if the temperature is increased, the solubility of the dye is increased; if an alkali agent (such as soda ash) is added to the dyeing solution, the solubility of the dye can be increased, thereby reducing the dye to the fiber Dyeing speed. The alkali agent can slow down the dyeing speed of the fiber, so it plays a role in retarding the dyeing.

6、 Direct orange S as a direct dye is best to use soft water for direct dyeing. If the hardness of the water is too large, it will cause precipitation of the dye, which will cause stains on the fabric and affect the shade and vividness of the dye.

7、 Direct orange S as a direct dye must be airtight during storage, and can still be used after being damped and agglomerated.