Acid Black 107

Application Features

The appearance is black powder and the aqueous solution is blue-gray.

Used for wool, silk, tussah, polyamide, PVA, d/cotton, wool/stick blended fabric dyeing and printing.

Acid Black 107 Use condition:

1. Mainly used for dyeing and printing of wool, silk and nylon, and also for coloring leather.

2. Wool dyeing: in neutral or slightly acidic bath, add a small amount of acetic acid or ammonium acetate to help dye, the pH value of the dyeing solution is adjusted to 5~6. It is used to dye the black of hair and top, and can not be used as gray. When the dosage is 8%, it can be dyed deep black. Add ammonium acetate or ammonium dihydrogen phosphate to help dye. Yuanming powder is good for dye exhaustion. It is not advisable to add acetic acid during dyeing to avoid color flower.

3. Silk dyeing: It is carried out in a neutral or weakly acidic bath and is often used to dye silk black.

4. Nylon dyeing: carried out in a neutral bath. When dyeing nylon strips, the initial dyeing temperature should be lowered, and the pH value is 7~8; if the dye is added, it should be cooled to 70~80 °C before adding to the dye bath.

5. Blending of blended fabrics: When the wool is dyed in the same bath as the various fibers, the apparent color depth of the nylon is slightly deeper than that of the wool, and the silk is slightly lighter, and the viscose fiber and the diacetate fiber have a slight stain. It can be the same as the direct dye. Bath dyed wool or wool-blend blend.

6. Printing: It is used for direct printing of wool, silk and nylon fabrics, and has good sun and soaping fastness.