- Functions:Optical Brightener
- Dye Type:Fluorescent Dyes
SperseBright OB-1 is a fluorescent brightening agent used to whiten engineering plastics, including polyester, polycarbonate, and styrenics. It provides superior Ganz whiteness in PC, PET, PS, and PMMA at concentrations as low as 100 ppm. SperseBright OB-1 can be used alone or in combination with SperseStab hindered amines, antioxidants, and selected UV absorbers.