Fluorescent Whitening Agent OB
Chemical name:2,5-bis-(5-tertiary butyl-2-benzoxazolyl)thiophene
Physical and chemical properties
| [Structural formula] |
| ||
| [Molecular formula] | C26H26N2O2S | [Molecular Weight] | 430 |
| [C.1.NO.] | 184 | [CAS No.] | 7128-64-5 |
| [Appearance] | Miik white crystal powder | ||
| [Content] | ≥98% | ||
| [Melting point] | 198-201℃ | ||
| [Purpose] | The product is widely used for whitening various plastic products involving PE, PP, ABS, PVC, SAN, SB , CA and PA; it has excellent effect in whitening products such as polyester fiber, cellulose acetate fiber, nylon fiber, artificial fiber, paint, printing ink and coating; it also has good effect in whitening household applied and electronic porducts. | ||
Recommended use quantity:
| Material category | Quantity for whitening (quantity for every 100kg of plastic raw materials) | |
| Making materials transparent | ||
| Polyolefin | 10-50g | 0.1-1g |
| Polyvinyl chloride(PVC) | 10-50g | 0.1-1g |
| Polystyrene(PS) | 10-50g | 0.1-1g |
| ABS | 10-50g | 0.1-1g |
