Polyamide and its blends present unique challenges and opportunities in textile processing, requiring specialized chemical solutions to achieve optimal aesthetic and performance outcomes. NINGBO INNO PHARMCHEM CO.,LTD. is a dedicated supplier of OBA 4BK for synthetic fibers, offering this advanced Optical Brightening Agent as a premier specialty chemical specifically formulated for polyamide and blended textiles.


OBA 4BK, a Fluorescent Whitening Agent in gray-greenish powder form, is a stilbene derivative designed to impart a brilliant blue-white shade, significantly enhancing the whiteness and vibrancy of polyamide fabrics. Its exceptional affinity for these synthetic fibers ensures uniform application and a superior finish. For manufacturers seeking specialty chemicals for polyamide fabrics, OBA 4BK stands out due to its excellent washfastness, guaranteeing that the luminous effect endures through extensive use and laundering cycles.


This versatile agent is not only highly appropriate for exhaust processes but also exhibits good solubility in water and robust stability to alkalis, peroxide, and electrolytes, making it an indispensable component in complex textile treatments. NINGBO INNO PHARMCHEM CO.,LTD. makes it easy to buy FWA 4BK for blend textiles, providing a reliable source for high-quality chemical solutions. Whether you are aiming to enhance a brightening agent for nylon blends or seeking comprehensive chemical solutions for polyamide dyeing, OBA 4BK is your ideal choice for achieving unparalleled brilliance. Trust us as your partner in advanced textile chemistry.