High-Performance Fluorescent Whitening Agent OBA 4BK for Cotton & Polyester Textiles
Achieve unparalleled fabric brightness and enduring whiteness with Sylic® OBA 4BK, a leading fluorescent whitening agent from our China-based manufacturing facility. Perfect for textile professionals seeking superior aesthetic appeal.
Get a Quote & SampleUnlock Dazzling White Fabrics with Our Advanced Optical Brightener

Fluorescent Whitening Agent OBA 4BK
As a premier manufacturer and supplier in China, we offer the Sylic® OBA 4BK, a state-of-the-art anionic stilbene derivative in a yellow-green powder. This advanced optical brightening agent converts UV light to visible blue light, effectively neutralizing yellow tints to create a brilliant 'whiter-than-white' appearance. We provide reliable supply and competitive pricing for your textile chemical needs.
- Achieve Brilliant White Maximum on cotton and polyester fabrics, ensuring superior visual appeal and meeting high aesthetic demands.
- Experience Excellent Washfastness, guaranteeing the enduring brightness and quality of treated cellulosic fibers and blends, proving our commitment as a dependable supplier.
- Benefit from High Bath Exhaustion and Easy Application, making Sylic® OBA 4BK a highly efficient textile optical brightener, a testament to our manufacturing expertise.
- Enjoy Good Stability to Alkalis and Peroxide, ensuring robust performance in various textile processing environments, reflecting our quality control as a leading manufacturer.
Key Advantages of Our Optical Brightening Agent Supplier
Superior Durability
With excellent washfastness, Sylic® OBA 4BK ensures your fabrics retain their brilliant whiteness even after multiple washes. This delivers lasting quality for your customers, a benefit you can buy from our reliable manufacturing base.
Process Efficiency
Our optical brightening agent for polyamide blends offers high bath exhaustion and good water solubility, streamlining your textile finishing operations. Buy in bulk for enhanced efficiency and reduced waste.
Unmatched Whiteness
Achieve a truly brilliant white maximum, transforming ordinary fabrics into visibly brighter and more appealing textiles with its unique bluish/reddish/violetish shade. This key feature sets us apart as a top-tier supplier.
Versatile Applications for Textile Manufacturers
Cotton Fabric Whitening
Sylic® OBA 4BK is an ideal fluorescent whitening agent for cotton, imparting a bright, clean look. Purchase this effective cotton whitening agent from our factory for consistent results.
Polyester & Blended Textiles
Perfect for polyester brightening and blended fabrics, this OBA ensures uniform and vibrant whiteness. Explore our range for your polyester brightening needs; we are a trusted supplier.
Cellulosic Fiber Treatment
Utilize this advanced textile auxiliary for enhancing the brightness of all cellulosic fibers, ensuring optimal visual appeal. Source this stilbene derivative OBA from our leading chemical manufacturing company.
Specialized Fabric Finishing
As a versatile fabric OBA, Sylic® OBA 4BK is crucial for achieving specific bluish or reddish shades in high-performance textile finishing. Contact us to buy this specialized chemical.