In the intricate world of textile dyeing, achieving the perfect shade and finish is paramount. Optical Brightener Agent SWN (CAS 91-44-2) plays a crucial role as a dyeing auxiliary, significantly boosting the perceived whiteness and brightness of fabrics. As a leading supplier of specialized chemical auxiliaries in China, we are committed to providing textile manufacturers with high-performance products that drive quality and market appeal. Understanding the benefits of this FWA is key for purchasing managers and formulators.
Optical Brightener Agent SWN is a white crystal powder that acts as a fluorescent whitening agent (FWA). During the dyeing process, it absorbs UV light and re-emits it as visible blue light. This emitted blue light effectively neutralizes any yellowish undertones present in textile fibers, making the fabric appear whiter and more vibrant. For textile professionals, this means achieving a superior aesthetic quality that is highly valued by consumers. Our commitment as a manufacturer ensures the product's high purity (99% min) and consistent performance in your dyeing applications.
The versatility of Optical Brightener Agent SWN as a dyeing auxiliary makes it suitable for a wide array of fibers, including acetate, polyester, polyamide, acetic acid fiber, and wool. This broad applicability makes it an indispensable chemical auxiliary for various dyeing and finishing operations. For companies looking to purchase advanced textile auxiliaries, our product offers a reliable solution to enhance fabric whiteness and overall appearance.
As a prominent manufacturer and supplier in China, we understand the importance of reliable sourcing. We provide Optical Brightener Agent SWN at competitive prices, ensuring that textile businesses can access high-quality materials without compromising their budgets. Procurement managers can benefit from our stable supply chain and commitment to quality, making us a trusted partner for their chemical needs. Choosing to buy from a dedicated manufacturer simplifies the procurement process and guarantees product integrity.
In conclusion, Optical Brightener Agent SWN is an essential dyeing auxiliary for achieving exceptional whiteness in textiles. Its fluorescent properties and broad fiber compatibility make it a valuable investment for any textile manufacturer. We invite you to reach out to us to discuss your specific requirements, explore pricing options, and obtain samples of our high-quality Optical Brightener Agent SWN. Elevate your dyeing process with a trusted partner in textile chemical auxiliaries.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.