C.I.113 CAS: 12768-92-2
STRUCTURE:
MOLECULAR FORMULA:
MOLECULAR WEIGHT:960.94(AS International relative Atom Mass 2005)
Max UV ABSORPTION WAVELENRHTH:348nm
EXCUTIVE STANDARD:HG/T3990-2007
SPECIFICATIONS:
| Item | Indices |
| Appearance | Light yellow uniform powder |
| E11(UV absorption) | 350±10 |
| Color Shade | Similar to silghtly Different |
| Moisture content | ≦5% |
| Content of water-insoluble impurities | ≦0.2% |
| Fineness(residual content passed through 180υm-proe sieve | ≦10% |
PROPERTIES:
The Optical Brightening Agent BA product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.
APPLICATIONS:
Mainly applied to whiten paper pulp, surface sizing, coating, and also applied to whiten cotton, linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics.
USAGE:
1. Being used in paper-making industry, add them into the paper pulp, coating solvent and surface gluing solvent after dissolving with the 20 times water. usual dosage:0.1-0.3% on dry pulp or dry dope.
2. When whitening of the cotton, hemp or cellulose, directly adding the fluorescent brightener dissolved with water into the dye vat, the dosage: 0.08-0.3%, bath ratio:1:20-40, the dying temperature: 60-100℃.
PACKAGE: Packed in cardbard bucket or plastic coating paper sack after being packed in plastic bag either 25kg or 50kg per bucket or sack.
TRANSPORTAION: Should be handle carefully,avoid sunlight and moisture.
STORAGE: Should be stored in cool,dry and ventilate place,and storage peroid should not exceed 2 years.
