In the competitive world of textiles, achieving pristine whiteness and vibrant brightness is paramount for product appeal. Polyester and acetate fabrics, widely used for their versatility, often require specialized treatment to meet these high aesthetic standards. NINGBO INNO PHARMCHEM CO.,LTD. is at the forefront, offering Fluorescent Whitening Agent 199 Optical Brightener ER-I, a state-of-the-art solution designed specifically for these challenging applications.


Fluorescent Brightener ER-I, a stilbene-type optical brightener, works by absorbing invisible ultraviolet light and re-emitting it as visible blue-violet light. This optical effect effectively neutralizes yellow undertones and dramatically enhances the perceived whiteness and brightness of fabrics. For manufacturers seeking a reliable polyester optical brightener supplier, NINGBO INNO PHARMCHEM CO.,LTD. provides a product known for its exceptional light and heat resistance, ensuring that the brilliant whiteness endures through various processing stages and consumer use.


Our high performance FWA for blended fabrics and single fiber types offers numerous advantages. It exhibits good compatibility with various textile auxiliaries and does not react with common reducing agents or oxidizing compounds, simplifying application processes. Whether you are looking to buy Fluorescent Brightener ER-I for dyeing polyester or applying it through low-temperature adsorption for high whiteness, its efficacy is consistently outstanding. This textile whitening agent for acetate and polyester ensures that treated fabrics possess a uniform, bright finish that stands the test of time and environmental exposure.


NINGBO INNO PHARMCHEM CO.,LTD. is committed to delivering solutions that not only meet but exceed industry expectations. Our Fluorescent Whitening Agent 199 for polyester and acetate applications is a testament to this commitment, offering a cost-effective, high-purity (>98%) option that enhances the value of your textile products. Partner with us to achieve unmatched brightness and quality in your polyester and acetate textiles.