Superior Optical Brightener KSN for Enhanced Whiteness
Discover the power of Fluorescent Brightener KSN (CAS 5242-49-9), a premium chemical additive designed to deliver exceptional brightness and whiteness to your plastics and synthetic fibers. As a leading manufacturer and supplier in China, we provide high-quality solutions with competitive pricing and reliable supply.
Get a Quote & SampleUnlock Brilliant Whiteness with Fluorescent Brightener KSN

Fluorescent Brightener KSN (CAS 5242-49-9)
We are a trusted manufacturer and supplier of Fluorescent Brightener KSN in China, offering a high-purity product that excels in whitening polyester fibers and various plastics. Our commitment to quality ensures optimal performance for your applications, making us your go-to source for this essential chemical.
- Exceptional Whitening Effect: Achieve brilliant white effects with a neutral to blue-purple hue, superior to many alternatives, for an outstanding product finish.
- High Temperature Resistance: Our Fluorescent Brightener KSN maintains its efficacy at high processing temperatures, crucial for demanding plastic and fiber manufacturing.
- Excellent Migration Resistance: Experience superior performance with strong resistance to migration, particularly in LDPE, ensuring long-lasting whiteness and product integrity.
- Broad Applicability: Ideal for PA, PAN fibers, films, injection molding, and extrusion processes, providing versatile solutions for various synthetic polymers.
Key Advantages of Our Fluorescent Brightener KSN
Superior Performance for Plastics
Our Fluorescent Brightener KSN offers a superior whitening effect on plastics like PC, providing excellent compatibility and stability during processing, which is critical for B2B manufacturers seeking optimal product aesthetics.
Enhanced Fiber Brightness
For polyester, polyamide, and polyacrylonitrile fibers, this optical brightener delivers exceptional whiteness. As a dedicated supplier, we ensure consistent quality for textile manufacturers looking to buy high-performance fiber additives.
Reliable Supply and Competitive Pricing
Leverage our robust supply chain as a leading manufacturer in China. We offer competitive wholesale prices for Fluorescent Brightener KSN, ensuring cost-effectiveness for your procurement needs. Contact us for a price quote.
Diverse Applications for Fluorescent Brightener KSN
Plastics Whitening
Enhance the visual appeal of thermoplastics and engineering plastics. Our Fluorescent Brightener KSN is a sought-after plastic additive, widely used by formulators to achieve brilliant whites.
Polyester Fiber Brightening
Ideal for the textile industry, this brightener provides excellent whitening for polyester fibers, ensuring vibrant and appealing fabrics. Partner with us, a reliable supplier, to buy this essential textile auxiliary.
Film and Molding Applications
Perfect for whitening films, injection molding, and extrusion processes. Our Fluorescent Brightener KSN ensures consistent results, a key requirement for product manufacturers.
Synthetic Polymer Processing
Whether in the polymerization stage or during processing, this brightener achieves an ideal effect in synthetic polymers. We are a trusted manufacturer ready to supply your production needs.