Polyester-cotton blends present unique challenges in textile finishing due to their mixed fiber composition. Achieving uniform and brilliant whiteness requires a specialized solution. NINGBO INNO PHARMCHEM CO.,LTD. offers Fluorescent Whitening Agent 4BK (Optical Brightener 87), a highly effective agent specifically designed for optimizing polyester-cotton blend brightening. This product ensures that both natural and synthetic fibers in the blend receive consistent treatment, resulting in superior overall brightness.

The advanced formulation of Optical Brightener 4BK allows it to interact effectively with both cotton and polyester components, delivering a harmonious and intense whitening effect. Its strong whiteness enhancing power is crucial for eliminating any yellowish undertones that might be present in the raw materials, producing a clean, vibrant aesthetic. For manufacturers seeking a reliable polyester-cotton blend brightener, NINGBO INNO PHARMCHEM CO.,LTD. is a trusted supplier of high-quality solutions.

Beyond its impressive brightening capabilities, Fluorescent Whitening Agent 4BK boasts remarkable stability against light, acids, alkalis, and common bleaching agents like hydrogen peroxide. This ensures that the achieved whiteness is durable and resistant to degradation, maintaining the fabric's aesthetic appeal over time and through multiple washes. This makes it an invaluable textile auxiliary agent for producing high-quality blended fabrics that meet market demands for both appearance and longevity.

NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing comprehensive support, from product selection to application guidance. Our expertise ensures that you can efficiently integrate Optical Brightener 4BK into your dyeing and finishing processes, achieving optimal results for your polyester-cotton blend brightening projects. When you consider the price of this crucial 12768-91-1 whitening agent, NINGBO INNO PHARMCHEM CO.,LTD. offers competitive rates without compromising on the product's superior performance and reliability.