Fluorescent Whitening Agent 4BK (C.I. 87): Superior Optical Brightener for Enhanced Whiteness in Cotton & Blended Fabrics – Stable & Efficient Textile Auxiliary

Discover Fluorescent Whitening Agent 4BK, the premier optical brightener for achieving unparalleled whiteness and vibrancy in cotton and blended fabrics. Enhance your textiles with stable, efficient, and eco-friendly solutions.

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Product Advantages

Unmatched Whiteness & Luster

Our Fluorescent Whitening Agent 4BK delivers a strong whiteness enhancing power, providing a bright and vivid color to your materials, far exceeding conventional brightening agents.

Robust Chemical and Washing Fastness

Experience the durability of an optical brightener 87 that maintains its superior performance through multiple washes and resists degradation from common textile chemicals.

Eco-Friendly and Stable Formulation

Committed to environmental protection, this textile auxiliary agent ensures stable quality and high weatherability, minimizing migration and ensuring product purity over 99%.

Key Applications

Cotton Fabric Whitening

Achieve superior results in cotton whitening, enhancing the natural brightness and overall aesthetic appeal for various cotton fabric products.

Polyester-Cotton Blends Brightening

Ideal for polyester-cotton blends brightening, ensuring uniform and vivid whiteness across these mixed fabrics, fulfilling diverse industrial requirements.

Paper Pulp Enhancements

Effectively used in paper brightening, contributing to a higher degree of whiteness and an improved visual quality of paper products.

General Textile Finishing

Applicable as a versatile textile auxiliary agent for a broad spectrum of textile dyeing and finishing processes, including viscose, linen, and nylon.