- Chemical Name:2,5-Bis(5- tert - butyl- benzoxazol- 2- yl) thiophene
- Functions:Optical Brightener
- CAS Number:7128-64-5
- Color:White
- Compatible Polymers & Resins:Polyvinyl Chloride (PVC), Acrylonitrile Butadiene Styrene (ABS), Polyethylenes (PE), Polystyrenes (PS), Polypropylenes (PP)
Optical Brightener OB enhances the whiteness of different products. Our Optical Brightener OB has great resistant against heat and chemical stability. Brightener OB is a high molecular weight fluorescent whitening agent, which significantly improves the whiteness in thermoplastics, printing inks, Lacquers, Manmade fiber etc. Brightener OB produces very brilliant white with light reddish Blue effect which compensates for yellowing. It has good light fastness in substrates, excellent resistance to heat, high chemical stability, Soluble in a wide range of organic solvents. It gives brilliant bluish white effect.