Sylic®Fluorescent Brightener OB-1 (OBA) / Plastic/ Nylon

• CAS No.: 1533-45-5
• Formula: C28H18N2O2
• Environmental Protection: Yes
• Color: bright yellow-green crystalline powder
• Kind: Fluorescent Brightener
• Appearance: Powder
• Model NO.: OB-1
• Application: Fluorescent Brightener
• Transport Package: 25kg Cardboard Drum
• Trademark: Sylic
• Origin: China
• Production Capacity: 30000 Tons/Year

Product Description

Sylic® Fluorescent Brightener OB-1

Structural formula:




Product Name: Fluorescent Brightener OB-1
Chemical name: 2.2'-(4,4'-distyryl-)bisbenzoxazole
C.I.:393
CAS NO.:1533-45-5
Technical index:
Appearance: bright yellow-green crystalline powder
Molecular weight: 414
Molecular formula: C28H18N2O2
Melting point: 350-355ºC
Maximum absorption wavelength: 374nm
Maximum emission wavelength: 434nm
Use:
1. It is suitable for the whitening of chemical fibers such as polyester fiber, nylon fiber and polypropylene fiber.
2. Suitable for whitening and brightening of polypropylene plastic, ABS, EVA, polystyrene, polycarbonate, etc.
3. It is suitable for adding in the conventional polymerization of polyester and nylon.
Instructions:
Reference usage:
1. Rigid polyvinyl chloride (PVC):
Brightening: 0.01-0.06% (10g-60g/100kg material)
Transparent: 0.0001-0.001% (0.1g-1g/100kg material)
2. Polystyrene (PS):
Brightening: 0.01-0.05% (10g-50g/100kg material)
Transparent: 0.0001-0.001% (0.1g-1g/100kg material)
3. Polyvinyl chloride (PVC):
Brightening: 10g-50g/100kg material
Transparent: 0.1g-1g/100kg material
Packing: 25kg cardboard drum lined with plastic bag or packed according to customer requirements



                    
Factory Profile:
We're a famous Silicone producer in China with over 30000 tons annual output. Our factories are located in
Zhejiang province, nearly closed to Shanghai. Your visit to our factory will be greatly welcomed.

Technical Support:
We have professional technical team which support target samples testing from customers around the World. Counter
samples will be provided after evaluation. Meanwhile customization service is available in our factory. What's more, we
can also provide pre-shipment samples for new customers during our first cooperation. 


Shipment:
Whether you have your own freight-forwarder or  you would like us to organize shipment ; whether you require delivery
FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever way you choose. Please
feel free to discuss all options with us . 
Our delivery time : Within 10 days after got T/T or L/C bank copy.


Payment:
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward payment term
like T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers' reputation and consumption.
 
Certificate:
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTs, etc.




Market:
Our partners all around the world.