Product selling point introduction
1. Solve Dye Oxidation Problems and Precisely Protect Sulfur Dyes During the Dyeing Process
This product is specifically developed to protect sulfur dyes and prevent premature oxidation during the dyeing process. In the textile printing and dyeing industry, sulfur dyes often cause problems such as color difference, uneven coloring, and decreased fastness due to uncontrolled oxidation. Our antioxidant, as a low-alkalinity reducing agent, can stably maintain the reducing state of the dye bath, ensuring full dye uptake and uniform color development, significantly improving dyeing quality and first-pass success rate.
2. Core Differentiation: Alkali and Electrolyte Resistance, Extremely Simple Operation and Excellent Stability
The most attractive feature of this product is its excellent alkali and electrolyte resistance, maintaining stable reducing ability even under harsh dye bath conditions of high alkalinity and high salt. At the same time, it can be directly mixed with water without complicated chemical steps, simplifying the process and making it convenient to use. Its non-ionic properties make it highly compatible with various auxiliaries, without precipitation or stratification, ensuring continuous production stability.
3. Why Choose Our Antioxidant Instead of Other Brands?
More Precise Protection: Specifically designed for sulfur dyes, preventing premature oxidation, avoiding color variations and uneven coloring, and improving dyeing pass rates.
Superior Tolerance: Alkali and electrolyte resistance far surpasses ordinary reducing agents, adapting to complex dye bath environments.
Precise Dosage: An appendix reference table is provided (corresponding antioxidant dosage of 10-45g/L based on dye concentrations of 0-300g/L), allowing customers to add precisely and reduce waste.
Easier Operation: Brown liquid, ready to use after mixing with water, store at room temperature, packaged in 125kg/200kg plastic drums, non-hazardous goods transportation.
1. Physical and chemical properties
Appearance: brown liquid
PH value: ≥11.0
Ionic: non-ionic
Solubility: soluble in water
2. Performance characteristics
1) The product is soluble in water;
2) The product has excellent alkali resistance and electrolyte resistance;
3) The product is directly mixed with water, easy to use, simple process and good stability.
3. Application field
A reducing agent with low basicity, used to protect sulfide dyes and prevent premature oxidation.
4. Reference process
For specific dosage, please refer to appendix: comparison table of dye concentration and antioxidant
▲ attached table: dye concentration and dosage of antioxidant M79
Dye concentration g / L | antioxidant M79 |
0~45 | 45 |
45~125 | 30 |
125~20 | 20 |
200~300 | 10 |
5. Storage and transportation packaging
125kg plastic barrel or 200kg plastic barrel shall be packed and stored under normal temperature and ventilation, and transported as non dangerous goods.

Knowledge of popular science products
What is this product?
This product is a non‑ionic, brown liquid antioxidant agent (Liquid reducing agent‑TK) with pH ≥ 11.0. It is a low‑alkalinity reducing agent, soluble in water. Designed specifically to protect sulfur dyes, it prevents premature oxidation during textile dyeing. It features excellent alkali and electrolyte resistance, ensuring stable reducing conditions throughout the dyeing process.
This product application?
It is directly mixed with water for a simple, stable process. The dosage is determined by dye concentration: for 0–45 g/L dye, use 45 g/L antioxidant; for 200–300 g/L dye, use only 10 g/L. This product is ideal for sulfur dyeing applications where oxidation control is critical. It is stored at normal temperature in 125kg or 200kg plastic drums and transported as non‑dangerous goods.

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