SM-2020 Wet Rubbing Fastness Improver: Enhance Color Durability for Direct, Reactive & Sulfur Dyes
Unlock superior color fastness and durability for your textiles with SM-2020, the advanced, eco-friendly solution for direct, reactive, and sulfur dyes on cellulose fibers. Achieve lasting brilliance and soft fabric feel.
Get a Quote & SampleEnhancing Textile Color Fastness and Durability

Wet rubbing fastness improver agent SM-2020
SM-2020 is a state-of-the-art waterborne polyurethane polycation compound, meticulously engineered to provide an outstanding wet rubbing fastness improvement effect. It functions by cross-linking with active groups on cellulose fibers and forming a protective film, significantly boosting the durability of direct, reactive, and sulfur dyes, especially for challenging deep colors.
- Achieve Superior Wet Rubbing Fastness: SM-2020 significantly improves wet rubbing fastness by 1-2 grades, ensuring textile products like denim and cotton maintain their vibrant colors even after repeated use and washing.
- Optimize Dyeing Efficiency for Cellulose Fibers: Specifically designed for cellulose fiber dyeing enhancement, this agent improves the wet rubbing fastness reactive dyes and also direct and sulfur dyes, making it ideal for deep color applications.
- Preserve Fabric Quality & Softness: Unlike some alternatives, SM-2020 has no adverse effect on the original hand feel, shade, or sunlight fastness of dyed fabrics, ensuring premium textile quality.
- Embrace Eco-Friendly Textile Solutions: As an environmental product, SM-2020 complies with EU Standard 100 requirements, being free of APEO, formaldehyde, organic halides, and heavy metals, supporting sustainable textile processing with an environmentally friendly textile finishing agent.
Unmatched Advantages in Textile Finishing
Enhanced Color Durability
SM-2020 provides excellent wet rubbing fastness improvement, boosting the fastness of dark black, bright red, and turquoise blue dyes by 1-2 grades, a key factor in improving wet rubbing fastness reactive dyes.
Fabric Integrity Preservation
Ensures the fastness of dyed fabrics remains undamaged and preserves the soft handle and original shade, offering a superior environmentally friendly textile finishing agent solution.
Environmental Compliance
This waterborne polyurethane polycation compound adheres to strict EU Standard 100 requirements, making it a safe and sustainable choice for textile manufacturers seeking eco-friendly dyeing auxiliary innovations.
Key Applications
Textile Dyeing Enhancement
SM-2020 excels in improving the wet rubbing fastness of direct, reactive, and sulfurized dyes, crucial for achieving desired textile dyeing outcomes and overall dyeing efficiency.
Fabric Finishing
As a versatile finishing agent, it aids in the fixation of cellulose fibers after dyeing, contributing to overall fabric finishing quality and durability.
Cellulose Fiber Treatment
Specifically formulated for cellulose fiber treatment, this agent ensures deep and vibrant colors remain durable, preventing color rub-off and enhancing fabric performance.
Color Fastness Improvement
Its core benefit lies in color fastness improvement, especially for challenging deep shades like dark black and bright red, securing lasting textile integrity with this essential textile auxiliary.