Shanghai Yuanhong Industrial Co., Ltd.

Specialized Textile Auxiliaries Chemical

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Acid Color Fixing Agent YH-2518

This acid color fixing agent can effectively improve the fastness of fabrics dyed with reactive dyes on cellulosic fibers. It works especially well to enhance chlorine fastness.

  • Hardware specifications
  • Physical and Chemical Properties

    Appearance Yellow brown to black liquid

    Lonicity Anionic

    PH Value 1% Aqueous Solution 1.5-3.5

    Solubility Mixes with water in any ratio and disperses evenly in water

     

    Features and Benefits

    It effectively improves washing fastness wet and dry rubbing fastness and particularly chlorine fastness.

    It has negligible influence on fabric color change and hand feel.

    It shows good stability in acid environment and hard water.

    Suitable for exhaust dyeing and pad dyeing processes.

    Usage

    Applicable for color fixing via exhaust method and pad method

    Exhaust method Dosage 2 to 6 percent based on fabric weight Temperature 40 to 60 degrees Celsius Time 15 to 20 minutes

    Pad method Dosage 10 to 30 grams per liter Temperature 20 to 40 degrees Celsius

    Note

    To achieve the best results, please carry out tests according to actual production conditions to confirm the dosage and processing method.

     

    Storage and Packaging

    Seal the product and store it in a dry cool and well ventilated warehouse for up to six months. Standard packaging is 50kg or 125kg plastic drum.

Company
Shanghai Yuanhong Industrial Co., Ltd.
Shanghai Yuanhong Industrial Co., Ltd.

Shanghai Yuanhong Industrial Co., Ltd. was founded by a group of seasoned industry experts and operates through its subsidiaries: Shanghai Zhongxi New Material Technology Co., Ltd., Zhejiang Yuanhong New Material Technology Co., Ltd., and Zhejiang Huafei Chemicals Co., Ltd.

We focus on textile fabrics, specialty yarns, apparel, packaging materials, leather products, the paper industry, and semiconductor packaging chemicals. We are dedicated to developing innovative products and co‑creating new specialty items with our customers, providing comprehensive technical services and integrated solutions.

Headquartered in the Shanghai Songjiang Industrial Zone Science and Technology Park, with our organic synthesis factory in Jiaxing, Zhejiang, and branch offices in multiple regions, we have built a strong R&D team through close collaboration with leading universities both domestically and internationally. After nearly a decade of sustained R&D, we have achieved major breakthroughs in home textiles, high‑end apparel fabrics, raising and sanding special products, and high‑grade microencapsulated coating materials, holding a number of core patents. By integrating functional material technologies with traditional industries such as textiles and leather, we create new functionality and value for our products, developing unique "first‑launch" products that contribute to broader national and industrial progress.

We value knowledge, talent, and intellectual property protection. With a clear roadmap, we aim to be certified as a National High‑Tech Enterprise within three years to strengthen our innovation capacity and market competitiveness. Guided by the principles of safety, environmental protection, ecology, and health, we are actively seeking to join ZDHC (Zero Discharge of Hazardous Chemicals) and are committed to making ongoing contributions to ecological protection. Through continuous innovation and product upgrades, we will develop more first‑launch products, deliver higher‑quality offerings to global customers, and jointly promote sustainable development across the industries we serve.

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