Optical Brightener Ob for Coatings/Printing Inks/Paints

• Type: N/a
• Printing Type: N/a
• Ink Drying: N/a
• Performance: Dry
• Component: N/a
• CAS: 1533-45-5
• Model NO.: OB
• Composition: Benzimidazole Derivative
• Usage: Coating Auxiliary Agents
• Transport Package: Drum
• Specification: 25kg
• Trademark: Sunman
• Origin: China
• HS Code: 320420
• Production Capacity: 1200mt/Year

Product Description

 

Product Description

Optical Brightener OB

Product: Optical Brightener OB
Chemical name: 2.5-bis (5-terbuty1-2-benzoxazolyl) thiophene
 
Description:
OB is a fluorescent whitening agent of the thiophenediyl benzoxazole class. The product is useful in plastics, man-made fibers, printing inks and coatings, flexible PVC and polyethylene. Dosage: 0.01%~0.05%.

Application/Uses:
• Coatings 
• Flexible PVC 
• Man-made fibers  
• Plastics
• Polyethylene 
• Printing Inks 

Specification:

Molecular Formula Assay^a   Molecular Weight Appearance Melting Point Volatiles Partical Size   TGA^b @ 335.9°C ( LC ) (Air @ 20°C/min. rate)

C26H26SO2N2  98% min. 430g/mole Slight Yellowish powder  200-202°C <0.15% <50 (mean micron) 90% Retention

 

 

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