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Hubei Zezhuang Technology Industrial Development Co., Ltd. is professionalChina Nylon Acid Dyeing Shade Repair Agent Manufacturers and Wholesale Nylon Acid Dyeing Shade Repair Agent OEM/ODM Suppliers, established in 2011 as Shanghai Zezhuang Industrial Co., Ltd., is located in Fengjing Town, Jinshan, known as the "crossroads of Wu and Yue" and often referred to as "three steps and two bridges". It is a high-tech enterprise specializing in the research, development, production, and sales of textile dyeing and finishing auxiliaries. The company's products cover the entire process of various technological chains, including textile printing and dyeing, coating, lamination, calendering, setting, washing, printing, and bronzing. The company boasts independent R&D, testing, and after-sales centers. It has established long-term cooperation mechanisms with Wuhan Textile University, Guangdong Wuyi University, Hunan University of Engineering, and other institutions.
The company employs two Ph.D. holders in chemistry, eight master's degree holders, and twenty-three bachelor's degree holders. Currently, the company has its marketing headquarters in Suzhou, Jiangsu (Suzhou Zezhuang New Material Co., Ltd.), a production base in Hangzhou, Zhejiang, and sales offices in Zhejiang, Hubei, Guangdong, Fujian, Shandong, and other places. Zhejiang Yongshuo Import and Export Co., Ltd., as the foreign trade company of Zezhuang Industry, focuses on expanding overseas markets. In 2023, the company established a new production base in Jingzhou, Hubei, and founded Hubei Zezhuang Technology Co., Ltd., covering an area of 60 acres with a total investment of 380 million yuan.
We will strengthen our industrial layout, increase R&D investment, and commit to the development and promotion of green and environmentally friendly products that are low-pollution, high-performance, multifunctional, and high-value-added. Guided by the concept of green and environmentally friendly development, we aim to achieve high-quality and sustainable development for our enterprise, and provide a safe, comfortable, and beautiful living environment for society.
Specification
| Item | Typical Value |
| Appearance | Liquid, pale to light yellow |
| Ionicity | Anionic / nonionic depending on grade |
| pH (1% solution) | 4.0 - 7.0 |
| Active content | 20% - 40% |
| Dosage | 0.5 - 3 g/L depending on repair process |
| Temperature | 80 - 100 C depending on nylon type |
| pH stability | Stable in weakly acidic to neutral bath |
| Solubility | Easy to dilute with water |
| Compatibility | Compatible with common acid dyeing and fixing auxiliaries |
| Shelf life | 12 months in sealed drum |
| Storage | Store in cool, dry place, avoid direct sunlight |
| Packing | 120 kg drum, 1000 kg IBC, custom packing available |
Values are typical and vary by nylon type, dye class and process. TDS and sample are available on request.
Application
- Nylon 6 and nylon 66 fabric
- Polyamide blended fabric
- Apparel fabric, swimwear and lingerie
- Technical textile and industrial fabric
- Exhaust dyeing and jet dyeing machines
- Shade repair after uneven dyeing
- Programs that need re-leveling without stripping
- Mills that run multiple nylon programs
It can be used in exhaust dyeing and jet dyeing machines, and can be combined with fixing agents in one bath. For mills running both nylon and blended fabric, one supplier can cover several shade repair programs.
Advantage
- Improves dye migration and re-leveling during repair
- Corrects uneven or patchy dyeing on nylon fabric
- Brings shade back to target without stripping
- Applicable to nylon 6, nylon 66 and polyamide blends
- Runs in exhaust dyeing and jet dyeing machines
- Compatible with common acid dyeing and fixing auxiliaries
- Used in apparel, swimwear and technical textile programs
- Supported by a manufacturer with long-term textile auxiliary experience and university research cooperation
- Export-ready supply and technical support for overseas buyers
For mills that need to correct shade on nylon fabric, this grade reduces the need for stripping and improves repair consistency.
Payment & Shipping
- Payment: T/T, L/C at sight, and terms for repeat orders
- Packing: 120 kg drum, 1000 kg IBC, or custom packing
- Lead time: 7 - 15 days after order confirmation
- Shipping: sea, air and express for samples
- Sample: free sample for evaluation, freight collected
- Export support: documentation and shipping coordination for overseas buyers
- MOQ: flexible for trial orders and repeat programs
- Port: main China ports, can be arranged by buyer preference
Flexible terms can be discussed for repeat and long-term programs. If you need help with documentation or shipping arrangements, our export team can support the process.
- Q: What does nylon acid dyeing shade repair agent do?
- A: It improves dye migration and re-leveling during the repair process, which helps correct uneven or patchy dyeing on nylon fabric.
- Q: Does it require stripping the fabric?
- A: No. It is designed to bring the shade back to target without stripping.
- Q: Which nylon types are suitable?
- A: It is used on nylon 6, nylon 66 and polyamide blended fabric.
- Q: What is the recommended dosage?
- A: Typically 0.5 - 3 g/L depending on repair process. The exact dosage depends on nylon type, dye class and target shade.
- Q: Can it be used in jet dyeing machines?
- A: Yes. It runs in exhaust dyeing and jet dyeing machines.
- Q: Can you share test data?
- A: Yes. TDS and test data can be provided for evaluation.
- Q: Do you support technical adjustment for our process?
- A: Yes. Technical support is available on request.
- Q: What is the MOQ and lead time?
- A: MOQ is flexible for trial orders, and lead time is typically 7 - 15 days after order confirmation.
Oct 12 , 2026 
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