High-Purity Optical Brightener OB-1: Enhancing Whiteness and Vibrancy in Plastics & Fibers
Discover the unparalleled whitening capabilities of Optical Brightener OB-1 (CAS 1533-45-5). As a leading supplier, we offer a premium fluorescent whitening agent that significantly improves the aesthetic appeal of your plastic products and synthetic fibers. Partner with us for reliable supply and exceptional quality.
Get a Quote & SampleAchieve Superior Whiteness with Our Premium Optical Brightener OB-1

Optical Brightener OB-1: Your Key to Brighter Products
As a trusted manufacturer and supplier of specialty chemicals in China, we provide Optical Brightener OB-1, a high-performance fluorescent whitening agent. This product is essential for achieving a brilliant, neutral white cast, effectively compensating for yellowness in a wide range of materials. Its low volatility and excellent heat resistance make it an ideal choice for plastics processed at high temperatures, ensuring consistent quality and performance.
- High Purity Optical Brightener OB-1: Source this critical chemical from a reputable supplier for consistent results in your formulations.
- Applications of Fluorescent Whitening Agent OB-1: Enhance the visual appeal of plastics like PVC, PP, PE, ABS, and PS, as well as polyester and nylon fibers.
- Trusted Chemical Manufacturer in China: We pride ourselves on delivering quality and reliability, meeting the stringent demands of the chemical industry.
- Competitive Price for OB-1 Brightener: Enquire about our bulk purchase options and secure a competitive price for your manufacturing needs.
Key Advantages of Using Optical Brightener OB-1
Exceptional Heat Stability
Optical Brightener OB-1 boasts superior thermal stability, making it perfectly suited for high-temperature molding and processing applications in plastics and fibers. Buy OB-1 for reliable performance under demanding conditions.
Superior Whitening Effect
Achieve a brilliant, 'whiter-than-white' appearance that effectively masks yellowness. This fluorescent whitening agent enhances the vibrancy of colors, improving the overall aesthetic of your final products.
Broad Polymer Compatibility
Our OB-1 brightener exhibits excellent compatibility with a wide array of polymers including rigid PVC, PP, PE, ABS, PS, PA, and PC, as well as polyester and nylon fibers. Source this versatile additive from a leading supplier.
Diverse Applications for Fluorescent Whitening Agent OB-1
Plastics Whitening
Ideal for rigid PVC, PP, PE, ABS, PS, HIPS, PA, PC, and EVA. Purchase OB-1 to boost the visual appeal and marketability of your plastic products.
Fiber Brightening
Enhance the whiteness and brightness of polyester fibers, nylon fibers, and blends with cotton. Explore how our supplier can meet your textile chemical needs.
Masterbatch Production
Perfect for creating high-quality masterbatches that ensure consistent whitening effects in polymer compounds. Get a quote for bulk quantities from our manufacturing facility.
Coating and Lacquer Enhancement
Improves the overall appearance of coatings, natural lacquers, and PU foaming applications, providing a cleaner, brighter finish.