| Name | parameter |
| appearance | Light yellow or milky white powder |
| melting point | 201∽205℃ |
| Solubility | Difficult to dissolve in water, soluble in alkanes, mineral oils, common organic solvents, etc |
| purity | ≥99％ |
| package | 2kg/bag，20kg/box |
OB type fluorescent whitening agent has good stability, excellent whitening and brightening effect, and good durability. It is widely used in color masterbatch, whitening masterbatch, PVC (rolled film, profiles, pipes, etc.) plastic products, polyvinyl chloride, polystyrene, polyethylene, polypropylene, thermoplastic, etc ABS、 Whitening and brightening of acetate fibers, coatings, paints, and printing inks
