In the competitive textile industry, achieving superior whiteness and brightness is paramount for product appeal. Optical Brightening Agents (OBAs), also known as Fluorescent Whitening Agents (FWAs), play a crucial role in this. Among them, Optical Brightener BAC-L stands out as a high-performance solution, particularly for acrylic fibers and related textiles. As a leading manufacturer and supplier based in China, we understand the critical needs of production managers and R&D scientists seeking reliable and effective whitening agents.

Optical Brightener BAC-L is a cationic fluorescent whitening agent. Its unique chemical structure allows it to absorb ultraviolet light and re-emit it as visible blue light. This process effectively masks yellowing, making fabrics appear whiter and brighter to the naked eye. The characteristic bluish-violet white shade it imparts is highly desirable in modern textile applications. For procurement managers looking to buy high-quality textile chemicals, understanding the properties of BAC-L is key.

One of the significant advantages of Optical Brightener BAC-L is its excellent stability, especially when exposed to chlorite bleach. This makes it a robust choice for textile processes that involve such bleaching agents. Furthermore, its formulation is optimized for acrylic fibers and secondary acetate fibers, ensuring excellent compatibility and effectiveness throughout the dyeing and printing auxiliary processes. This reliable performance translates to consistent product quality, a major concern for any manufacturing operation.

The application methods for Optical Brightener BAC-L are well-defined, typically involving specific dosage percentages, pH adjustments, and temperature controls during dyeing. For instance, Process A might involve a dosage of 0.2-1.5% with a dyeing liquor pH adjusted to 3-4 using oxalic acid dihydrate, carried out at 90-98°C for 40-60 minutes. Process B includes similar parameters but with the addition of sodium chlorite. These detailed application guidelines are invaluable for R&D scientists aiming to optimize their formulations.

For businesses seeking to buy Optical Brightener BAC-L in bulk, partnering with a reputable Chinese manufacturer like us ensures access to high-quality products at competitive prices. We provide comprehensive technical support and ensure prompt delivery, making us a dependable supplier for your textile chemical needs. If you are looking for a reliable source for fluorescent whitening agents for textile applications, consider our offerings and request a quote to learn more about our wholesale pricing and capabilities.