Effective textile pretreatment and bleaching are foundational steps in achieving high-quality finished fabrics. These processes remove impurities and prepare fibers for subsequent dyeing and finishing, with the ultimate goal of producing a pristine white base. Optical Brightener SD-4074, supplied by NINGBO INNO PHARMCHEM CO.,LTD., plays a crucial role in optimizing textile pretreatment & bleaching processes, offering superior whitening performance and enhancing overall efficiency.


SD-4074 is a high-performance stilbene derivative designed to deliver significant whitening and brightening effects, even during the rigorous conditions of bleaching. Unlike traditional bluing agents, this fluorescent whitening agent actively transforms the appearance of fibers by converting invisible UV light into visible blue light. This optical effect not only cancels out yellowing but also imparts a desirable 'whiter-than-white' luminosity to cotton, cellulose, regenerated cellulose, and nylon fibers. It functions excellently as a bleaching auxiliary for cellulose fibers, ensuring an optimized outcome.


The benefits of integrating SD-4074 into pretreatment stages are numerous. It exhibits remarkable resistance to hydrogen peroxide bleaching and alkali, which are common components in bleaching baths. This stability ensures that the brightening effect is robust and sustained throughout the process, preventing degradation of performance. Its wide pH and dyeing temperature compatibility further streamline operations, allowing for greater flexibility in process parameters. Textile manufacturers looking to buy optical brightener for fabrics that offer such process advantages will find SD-4074 from NINGBO INNO PHARMCHEM CO.,LTD. to be a reliable choice.


For those seeking to purchase optical brightener SD-4074 from a trusted manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. provides a consistent supply of this critical chemical. By leveraging SD-4074, textile mills can significantly enhance the brightness of their pretreated fabrics, setting a higher standard for the final product. This not only improves aesthetic appeal but also contributes to greater operational efficiency by ensuring a superior starting material for subsequent finishing steps, ultimately boosting product quality and market competitiveness.