Brilliant Whiteness: Fluorescent Whitening Agent OBA 4BK 113 for Cotton Textiles
Discover the power of our advanced optical brightener, OBA 4BK 113, engineered to transform dull fabrics into brilliantly white and vibrant textiles. Achieve unparalleled luminosity and maintain exceptional washfastness for lasting quality in all your cotton and blended materials.
Get a Quote & SampleUnleash the Radiance of Your Textiles

Fluorescent Whitening Agent OBA 4BK 113
Fluorescent Whitening Agent OBA 4BK 113 is an innovative solution designed to significantly enhance the whiteness and brightness of a wide array of textile materials. Its unique formulation provides a superior optical effect, making fabrics appear visually whiter and more vibrant, crucial for meeting modern aesthetic demands in the textile industry.
- Exceptional Whitening for Cotton Textiles: Specially formulated, OBA 4BK delivers outstanding results, offering a brilliant white maximum for cotton fabrics and their blends, making them visibly brighter and more appealing.
- Superior Washfastness & Stability: Experience long-lasting brightness with our high washfastness fluorescent whitener, ensuring the optical effect remains vibrant even after multiple washes and under varying processing conditions including alkali stable optical brightener 4BK.
- Versatile Application Across Fibers: This powerful agent is highly effective for textile brightening agent for cotton blends, cellulosic fibers, and polyamide fibers, adaptable for various dyeing and finishing methods including OBA 4BK exhaust dyeing process.
- Optimized Chemical Properties: As an anionic stilbene derivative, OBA 4BK combines high bath exhaustion with excellent stability to peroxides and electrolytes, alongside good water solubility, simplifying its integration into your textile production processes.
Achieve Unmatched Brilliance and Efficiency
Enhanced Fabric Aesthetics
Our Fluorescent Whitening Agent OBA 4BK for cotton textiles provides a powerful optical brightening effect, transforming dull, yellowish fabrics into vibrant, appealing whites that meet and exceed market demands.
Process Versatility and Stability
Designed for flexibility, OBA 4BK is effective across various dyeing and finishing methods, demonstrating alkali & peroxide stable performance and high bath exhaustion even in demanding textile processing environments.
Cost-Effectiveness & Durability
With its excellent washfastness and brilliant whiteness, OBA 4BK ensures long-lasting results, reducing the need for re-treatment and offering significant value for textile manufacturers.
Key Applications
Cotton Fabric Whitening
Achieve dazzling white results on pure cotton fabrics, enhancing their natural brightness and appeal for a wide range of textile products.
Cellulosic & Polyamide Fibers
Ideal for brightening cellulosic fibers and polyamide materials, OBA 4BK ensures uniform and intense whiteness across diverse fabric compositions.
Textile Dyeing & Finishing
Seamlessly integrate OBA 4BK into your textile dyeing & finishing processes, including exhaust and continuous methods, to achieve optimal brightness and a desired shade.
Industrial Paper & Coatings
Beyond textiles, OBA 4BK also finds utility in the paper industry and various paints and ink formulations, contributing to enhanced visual brightness and quality.