Optical Brightening

2615 optical brightening products are offered for sale by suppliers on Alibaba.com, of which chemical auxiliary agent accounts for 60%, dyestuffs accounts for 6%. A wide variety of optical brightening options are available to you, such as coating auxiliary agents, water treatment and water treatment chemicals.You can also choose from no, 1327-41-9 and 11113-61-4 optical brightening,as well as from 231-545-4, 215-477-2, and 215-283-8 optical brightening, and whether optical brightening is colorless, yellow, or light yellow.