Shandong Zhongyang Chemical Co., Ltd.
Optical Brightener OB
Classification :
PRODUCT DETAILS
Chemical name: 2,5-bis(5-tert-butyl-2-benzoxazolyl)thiophene
Molecular formula: C26H26SO2N2
CAS: 7128-64-5
Function
Appearance: Pale yellow powder
Melting point: 196-203℃
Fineness: ≥100 mesh
Purity: ≥99.00%
Application Scope
1. Plastics (Main Applications): Thermoplastics such as PVC, PE, PP, ABS, and PS; films, injection molding, and masterbatches; resistant to decomposition and yellowing during high-temperature processing.
2. Paints, inks, and varnishes enhance whiteness and vibrancy.
3. Whitening of synthetic fibers such as polyester; can be compounded with dyes to enhance luster.
How to use
The whitening agent OB is mixed thoroughly with various plastic ions at a concentration equivalent to 0.01-0.05% of the plastic weight, and then molded.
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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CONTACT US
Qihe Economic Development Zone (Industrial Park), Shandong Province