Optical Brightener KCB
CAS # 5089-22-5

Optical Brightener KCB is a high-performance fluorescent whitening agent used to enhance the brightness and whiteness of plastics, films, fibers, and coatings.
Description:
Optical Brightener KCB is a premium fluorescent whitening agent designed to enhance the brightness, whiteness, and visual clarity of plastics, synthetic fibers, and specialty materials. By absorbing ultraviolet light and re-emitting it as visible blue light, KCB effectively offsets yellowing and dull tones, delivering a cleaner, brighter finish. Its excellent thermal stability and compatibility with a wide range of polymers make it an ideal choice for demanding manufacturing environments.
General Properties:
Chemical Type: Fluorescent whitening agent (benzoxazole derivative)
Appearance: Yellow-green crystalline powder
Solubility: Low solubility in water; soluble in organic solvents
Fluorescence: Strong blue fluorescence under UV light
Thermal Stability: Excellent for high-temperature processing
Applications:
Plastics & Polymer Processing
Widely used in polyolefins, PVC, EVA, and engineering plastics to improve whiteness and visual appeal.
Films & Packaging Materials
Enhances brightness and clarity in plastic films, sheets, and packaging products.
Synthetic Fibers & Textiles
Improves brightness and aesthetic quality in polyester and other synthetic fibers.
Coatings & Paints
Used in coatings and decorative finishes to enhance color brilliance and reduce yellowing.
Consumer & Industrial Products
Applied in molded goods, appliances, and specialty materials requiring high visual quality.
Advantages:
High Brightening Efficiency: Provides strong whitening effect at low dosage levels.
Excellent Thermal Stability: Maintains performance during high-temperature polymer processing.
Strong UV Absorption & Fluorescence: Effectively improves brightness and offsets discoloration.
Broad Compatibility: Works well with a wide range of plastics, fibers, and coating systems.
Long-Lasting Optical Performance: Resists degradation, ensuring sustained brightness over time.
Safety & Handling:
Optical Brightener KCB should be handled using standard industrial safety practices.
Dust may cause mild irritation to eyes, skin, or respiratory tract
Avoid inhalation of airborne particles
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Optical Brightener KCB
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