Optical Brightener Agent are designed to brighten or enhance the appearance of coatings, adhesives and sealants causing a perceived “whitening" effect or to mask yellowing.
Product list：
| Product Name | Application |
| Optical Brightener OB | Solvent based coating, paint, inks |
| Optical Brightener DB-X | Widely used in water based paints, coatings, inks etc |
| Optical Brightener DB-T | Water-based white and pastel-tone paints, clear coats, overprint varnishes and adhesives and sealants, |
| Optical Brightener DB-H | Widely used in water based paints, coatings, inks etc |