Shandong Zhongyang Chemical Co., Ltd.
Optical Brightener KCB
Classification :
PRODUCT DETAILS
Chemical name: 1,4-bis(benzoxazol-2-yl)naphthalene
Molecular formula: C24H14O2N2
CAS：5089-22-5
CI：367
Function
Appearance: Yellow-green powder
Melting point: 210-212℃
Fineness: ≥100 mesh
The maximum spectral absorption wavelength is 370 nm.
Application Scope
Whitening of plastic products:
（1）It has a special whitening effect on EVA foam plastics, which can increase the whiteness of the product by 20%-35%.
（2）Suitable for injection molding materials such as polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC).
（3）Adding 0.01%-0.03% to plastic film can eliminate yellow light.
Synthetic fiber treatment:
（1）This makes the whiteness value of polyester fibers reach over 150%.
（2）It can withstand high temperatures of 210-212℃ when blended with polypropylene spinning materials.
Other uses:
（1）Paint whitening: Adding 0.01%-0.05% can improve the gloss of the paint film.
（2）Rubber products: Improves the visual whiteness of light-colored rubber products.
Factory Description
Equipped with advanced equipment and precise detection technology, and supported by sufficient capital, the company provides customers with high-quality optical brighteners and pigment products, and customizes exclusive product solutions according to customer needs. Covering an area of more than 2,000 mu, the company has built a number of standardized production workshops and professional laboratories. Based on complete experimental facilities, it can provide customers with accurate application data support, and ensure stable goods supply with large-scale production capacity.
Our Advantages
1. With our own manufacturing facilities, R&D center, and laboratories, we ensure consistent and reliable quality for products including optical brightening agents, titanium dioxide, solvent dyes, and pigments.
2. We provide OBA products and comprehensive whitening solutions with full technical support throughout the process.
3. Factory direct sales offer prices 3%-5% lower than market rates.
4. Rapid delivery with same-day shipping available.
5. Custom packaging options for optical brighteners, titanium dioxide, solvent dyes, pigments, and more based on client requirements.
6. Complimentary samples provided for testing comparative effects and cost-effectiveness.
7. Prompt response to inquiries with professional and efficient service.
8. Flexible payment options including TT, LC, and other settlement methods.
9. Complete customs clearance documentation backed by years of export experience.
10. DDP door-to-door service with real-time tracking of logistics updates.
Package information
Standard packaging is 25 kg in cardboard drums, cartons, or bags lined with double-layer PE film. Customized packaging is also available upon customer request.
Transportation and storage
Transportation: Fluorescent whitening agents should be protected from impact and direct sunlight during transportation.
Storage: Store in a cool, dry, and well-ventilated warehouse. Shelf life is two years.
FAQ
Q: Are your products suitable for use in synthetic fibers, plastics, detergents, coatings, inks, textiles, and paper?
Q: How about after-sales service?
Q: What documents can you provide?
Q: Can you ship to Southeast Asia and Africa?
Q: Which ports do you ship from?
Q: How long is the lead time?
Q: What payment terms do you accept？
Q: What is your standard packaging?
Q: Can you provide samples?
Q: What is your MOQ?
Q: Are prices negotiable?
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Qihe Economic Development Zone (Industrial Park), Shandong Province