1. It is suitable for the pH control of Polyester, Nylon, wool to improve the dyeing effect.
2. Dyeing is gradually heated from water to dyeing temperature, and the acid is gradually released, the pH value lowered. At the same time, the dyeing rate is controlled, and the dyeing effect is improved, and the dyeing failure rate is reduced.
3. It mainly reduces the directness of the dye and fiber dyeing at the beginning, so it will not affect the dye exhaustion rate.
4. Does not reduce the fastness of sunlight, washing, and rubbing.