High-Performance Optical Brightener OB-1: Supplier, Manufacturer, and Price for Enhanced Whiteness in Plastics and Textiles
Discover the leading supplier of Optical Brightener OB-1 (CAS 1533-45-5), a premier fluorescent whitening agent. Enhance your product's appearance with superior whiteness and brightness. Request your quote today!
Get a Quote & SampleAchieve Superior Whiteness and Brightness with Optical Brightener OB-1

Optical Brightener OB-1
As a leading manufacturer and supplier in China, we offer Optical Brightener OB-1, an advanced fluorescent whitening agent renowned for its exceptional performance. Its bright yellow to green crystalline powder form and high melting point ensure stability in demanding processing conditions. This OB-1 brightener is your key to achieving a brilliant, neutral white cast, effectively masking yellowness and enhancing the visual appeal of a wide array of polymers and textiles. Partner with us for reliable supply and competitive pricing.
- Superior Whitening Strength: Achieve exceptional whiteness and a 'whiter-than-white' appearance in your plastics and textile applications, making your products stand out.
- Excellent Thermal Stability: With a melting point exceeding 300°C, this optical brightener is ideal for high-temperature processing of plastics like polyester and nylon, ensuring no loss of efficacy.
- Broad Application Scope: Widely compatible with various polymers including ABS, PS, HIPS, PA, PC, PP, EVA, and rigid PVC, as well as polyester and cotton blended fabrics.
- Enhanced UV and Chemical Resistance: Benefit from good light fastness and resistance to chlorine bleaching, ensuring long-lasting brightness and color integrity in your finished goods.
Key Advantages of Our Optical Brightener OB-1
Unmatched Whiteness & Brightness
Optical Brightener OB-1 imparts a brilliant, neutral white cast to plastics and fibers, significantly enhancing their aesthetic appeal and compensating for inherent yellowness. Find out how this fluorescent whitener can elevate your product's visual quality.
High-Temperature Processing Stability
Designed for demanding industrial processes, our OB-1 offers exceptional thermal stability, making it the preferred choice for high-temperature applications in the plastics industry, ensuring consistent performance during molding and extrusion.
Versatile Polymer Compatibility
This optical brightener demonstrates excellent compatibility with a wide range of polymers including polyester, nylon, polypropylene, and PVC. As a trusted supplier, we provide solutions for diverse formulation needs.
Diverse Applications for Optical Brightener OB-1
Plastics Manufacturing
Enhance the appearance of rigid PVC, ABS, PS, PP, EVA, and engineering plastics. Our OB-1 ensures plastics retain their bright white look even after processing. Buy in bulk for cost-effective solutions.
Textile & Fiber Whitening
Ideal for polyester fibers, nylon, and blended fabrics. Achieve superior whitening results through hot-melt pad dyeing, ensuring vibrant and bright textile products. Source your fluorescent brightener from a reliable manufacturer.
Recycled Materials Brightening
Improve the consistency and appearance of recycled plastics by adding OB-1, making recycled materials more visually appealing and uniform. Improve your sustainability efforts with this effective additive.
Specialty Formulations
Explore its use in coatings, lacquers, and other specialty chemical formulations requiring enhanced whiteness and UV stability. Get a competitive price quote for your specific application needs.