Product Name: Optical Brightener KCB
Chemical Name: 1,4-bis(benzoxazolyl-2-yl)naphthalene
CAS No.: 5089-22-5

Appearance: Yellowish-green crystalline powder
Purity: Typically ≥99%
Melting Point: 210-212°C
Solubility: Insoluble in water, soluble in common organic solvents
UV Absorption: Absorbs UV light at approximately 370nm

Key Features and Properties:
- Enhanced Whiteness and Brightness: Effectively masks yellowing and improves overall visual appearance of plastics
- Good Stability: Exhibits good heat, light, and chemical resistance
- Compatibility: Compatible with many plastic types
- Wide Range of Applications: Used in various plastic films, injection molding, and foam products

Applications:
1. EVA (Ethylene/Vinyl Acetate Copolymer):
- Particularly effective in brightening EVA
- Commonly used in sports shoes and other applications

2. Plastic Films:
- Can be added to plastic films to enhance whiteness and brightness

3. Injection Molded Materials:
- Improves overall appearance of final products

4. Foamed Plastics:
- Brightens EVA foams and other types of foamed plastics

Benefits:
- Enhances whiteness and brightness of plastics
- Good heat, light, and chemical resistance
- Compatible with many plastic types
- Suitable for various applications

Category: Fluorescent Whitening Agents / Optical Brighteners

Certifications: ISO9001, REACH, RoHS, EN71-3

Applications:
- Chemical synthetic fiber
- Plastic products
- Master batch
- Recycled PET fiber waste & bottle chips
- Paint
- Ink & Coating