Discover Superior Whiteness with Optical Brightener OB-1
Enhance the visual appeal of your polymer products with our high-performance Optical Brightener OB-1. As a leading manufacturer and supplier in China, we provide an effective solution to combat yellowness, offering unparalleled brightness and a brilliant white finish for diverse plastic applications. Get a competitive quote today.
Get a Quote & SampleAchieve Brilliant Whiteness with Our Optical Brightener OB-1

Optical Brightener OB-1
As a premier supplier of chemical additives, we offer Optical Brightener OB-1, a highly effective fluorescent whitening agent designed to significantly improve the appearance of plastics and synthetic fibers. Our product, sourced from reliable manufacturers in China, delivers exceptional brightening intensity and a desirable neutral white cast, effectively masking inherent yellowness. This enhances the aesthetic appeal and market value of your end products. We are your trusted partner for high-quality polymer brighteners.
- Superior Whitening Intensity: Our OB-1 offers strong fluorescence, providing a noticeable boost in whiteness for demanding applications.
- High-Temperature Stability: Engineered for demanding processes, OB-1 maintains its efficacy even at high processing temperatures, a key benefit for manufacturers.
- Broad Polymer Compatibility: Effectively used in a wide range of thermoplastics including PVC, PP, PE, ABS, PS, PC, and polyester fibers, making it a versatile solution.
- Enhanced Product Appeal: Achieve a 'whiter-than-white' appearance, improving the overall aesthetic and consumer appeal of your manufactured goods.
Key Advantages of Optical Brightener OB-1
Exceptional Brightening Performance
Optical Brightener OB-1 provides a brilliant white cast, effectively compensating for the natural yellowing of polymers and delivering a visually appealing, brighter product. This makes it an essential additive for achieving premium finishes.
Superior Thermal Stability
With excellent heat resistance, our OB-1 is ideal for high-temperature processing applications common in plastics and fiber manufacturing. This ensures consistent performance and product quality.
Long-Lasting Effect and Durability
The chemical stability and good light fastness of OB-1 ensure a permanent, lasting white effect, even under challenging environmental conditions, reducing the need for frequent reapplication.
Versatile Applications Across Industries
Plastics Manufacturing
Widely used in rigid PVC, ABS, PS, HIPS, PA, PC, PP, and EVA to enhance whiteness and brightness, improving the aesthetic of plastic parts.
Synthetic Fiber Production
Ideal for whitening polyester and nylon fibers during polymerization, providing a brilliant white and enhanced appearance for textiles.
Coatings and Inks
Improves the brilliance and whiteness of various coatings and printing inks, contributing to more vibrant and appealing colors.
Masterbatch Production
Incorporated into masterbatches to efficiently impart whitening properties to the final polymer products.