Unlock Brilliant Whiteness with Optical Brightening Agent 4BK

Transform your textiles with advanced OBA 4BK for unmatched brightness and lasting quality.

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Key Advantages of OBA 4BK

Superior Durability

With excellent washfastness, Optical Brightening Agent 4BK ensures your fabrics retain their brilliant whiteness even after multiple washes, delivering lasting quality for your customers and providing durable whiteness for apparel.

Process Efficiency

This optical brightener for polyamide blends offers high bath exhaustion and good water solubility, streamlining your textile finishing operations and reducing waste, contributing to textile brightening solutions.

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, a core value in improving fabric whiteness.

Key Applications

Cotton Fabric Whitening

Sylic® OBA 4BK is an ideal fluorescent whitening agent for cotton, imparting a bright, clean look to various cotton textiles, from apparel to home furnishings, a key aspect of cotton fabric whitening.

Polyester & Blended Textiles

Perfect for polyester brightening and blended fabrics, this OBA ensures uniform and vibrant whiteness across different fiber types, meeting diverse industry needs for polyester textile finishing.

Cellulosic Fiber Treatment

Utilize this advanced textile auxiliary for enhancing the brightness of all cellulosic fibers, from natural to regenerated, ensuring optimal visual appeal and serving as a textile auxiliary for cotton blends.

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 processes, contributing to advanced dyeing auxiliaries.