Optical Brightener ER-I (FBA199): Enhance Brightness in Polyester, Plastics & Textiles
Discover ER-I (FBA199), a powerful fluorescent whitening agent for brilliant and durable whiteness across polyester, various plastics, and textile applications.
Get a Quote & SampleUnleash Brilliant Whiteness with Optical Brightener ER-I

Optical Brightener ER-I (FBA199)
Optical Brightener ER-I (FBA199), also known by its CAS No. 13001-39-3, is a high-performance fluorescent whitening agent engineered to dramatically improve the brightness and visual appeal of a wide array of materials. As a yellowish-green crystal powder, its unique chemical properties ensure an exceptional reddish shade and superior brightening effects, making it an indispensable component for enhancing product aesthetics and quality in various industries.
- Achieve superior results for polyester fiber whitening, ensuring your textiles and materials stand out with a vibrant, pure white finish.
- Experience remarkable plastic brightening, making PE, PP, and PVC products appear more vivid and appealing to consumers.
- Benefit from excellent fastness to sublimation, guaranteeing long-lasting whiteness even under demanding processing conditions.
- Ideal for diverse textile auxiliary applications, including pretreatment, printing, dyeing, and post-processing, offering versatile performance.
The Advantages of Choosing Optical Brightener ER-I
Superior Whitening Performance
Optical Brightener ER-I delivers a high whitening brightening effect, transforming dull materials into brilliantly white surfaces, essential for premium product appearance.
Enhanced Material Durability
With its excellent fastness to sublimation, FBA199 ensures that the achieved whiteness remains stable and vibrant over time, resistant to high temperatures.
Versatile Application Capabilities
This fluorescent whitening agent is highly adaptable, suitable for an extensive range of materials, including polyester, PE, PP, and PVC, offering broad industrial utility.
Key Applications
Polyester Fiber Whitening
Optical Brightener ER-I is a prime choice for polyester fiber whitening, significantly enhancing the brightness and visual appeal of polyester textiles and blends.
Plastic Industry Brightening
Crucial for plastic brightening, FBA199 ensures vibrant white finishes for products made from PE, PP, and PVC, meeting high aesthetic standards.
Textile Processing Auxiliary
As a textile auxiliary, ER-I plays a vital role in various textile processes, including pretreatment, dyeing, and post-processing, ensuring optimal finished product quality.
Leather and Coating Enhancement
Beyond textiles, this chemical additive extends its benefits to leather and coating formulations, providing exceptional whiteness and a refined appearance.