الوصف

Product Desciption
MOLECULAR FORMULA: C*0H*2N*2O*0S2Na2
MOLECULAR WEIGHT: **0.*5 (As International relative Atom Mass ***1)
MAX UV ABSORPTION SPECTRUM: **8 nm

PROPERTY:
The product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.**7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.

APPLICATION:
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 *0 times water. Usual dosage: 0.**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.***0.3%, bath ratio: 1: ****0, the dying temperature: *0.

PACKAGE: Packed in cardboard bucket or plastic coating paper sack after being packed in plastic bag either *5 Kg or *0 Kg per bucket.
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.