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| Business Type | Manufacturer, Supplier |
| Form | Powder |
| Chemical Type | Optical Brightness OB |
| Application | Polyester, All, Cellulose Fiber, Coating, Nylon, Ink, Plastic |
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Product Details
Optical Brightener OB-is a high-performance fluorescent whitening agent widely used in plastics, synthetic fibers, coatings, and resins. It absorbs ultraviolet (UV) light and re-emits it as visible blue light, giving materials a brighter, whiter, and cleaner appearance.
Key Features
Excellent Whitening Effect: Enhances brightness and whiteness of finished products
High Thermal Stability: Suitable for high-temperature processing
Good Lightfastness: Resistant to UV degradation and yellowing
Low Volatility: Minimal loss during processing
High Compatibility: Works well with a wide range of polymers and resins
Low Dosage Required: Effective even at very small concentrations
Typical Applications
✔ Plastics: PVC, PE, PP, PS, ABS, PET
✔ Synthetic fibers: Polyester, nylon
✔ Plastic masterbatches
✔ Coatings, paints & inks
✔ Adhesives & sealants
✔ Rubber and elastomers
