Optical Brightener ER-I for Polyester & Plastics | C.I. Fluorescent Brightener 199 | CAS No. 13001-39-3
Short Description:
Optical Brightener ER-I (C.I. Fluorescent Brightener 199, CAS 13001-39-3) is a fluorescent whitening agent mainly used for polyester fibers and compatible plastic applications. It helps reduce unwanted yellowish tones and enhances the perceived whiteness and brightness of polyester and plastic products through blue-violet fluorescence.
