Chemical product CAS 1533-45-5 Optical Brightener Agent OB-1 for fiber, plastic, polyester fabric
1.11 Optical brightener OB-1 is a yellow-green crystalline substance that is insoluble in water and has stable performance.
Its maximum absorption spectrum wavelength is 374nm, and it has strong fluorescence with an emission wavelength of 434nm.
2. High whitening intensity with strong fluorescence.
3. The use of a wide range of various plastic products can be used
2. Suitable for the conventional polymerization of polyester and nylon.3. especially suitable for high temperature molding of plastic products whitening.