The evolution of synthetic fibers has opened new possibilities in textiles, yet maintaining their pristine whiteness and vibrancy remains a technical challenge. NINGBO INNO PHARMCHEM CO.,LTD. is at the forefront of innovation with Optical Brightener ER-I (FBA199), a cornerstone of modern fluorescent whitening technology for synthetic fibers.


Optical Brightener ER-I is a specialized fluorescent agent designed to transform the appearance of synthetic fibers, particularly polyester. It achieves this by absorbing invisible ultraviolet light and re-emitting it as visible blue-violet light, effectively canceling out any yellowish tones and enhancing the perceived brightness and purity of the white. This process gives fabrics a dazzling, clean look that is both aesthetically pleasing and enduring.


The chemical's properties, including its high whitening brightening effect and exceptional affinity for polyester, ensure even and deep penetration, leading to uniform and long-lasting results. Furthermore, the excellent fastness to sublimation of FBA199 means that the enhanced brightness is highly resistant to heat and will not degrade during high-temperature processing or over the lifetime of the product. This makes it an invaluable asset for manufacturers striving for superior quality and durability in their synthetic fiber products.


As a trusted manufacturer of fluorescent whitening agents, NINGBO INNO PHARMCHEM CO.,LTD. offers Optical Brightener ER-I (FBA199) as a premier solution for synthetic fiber enhancement. We serve clients globally who are looking to buy high sublimation fastness brightener for polyester at a competitive price. Partner with NINGBO INNO PHARMCHEM CO.,LTD. to leverage the power of advanced fluorescent whitening technology and bring unmatched brilliance to your synthetic fiber innovations.