OPTICAL BRIGHTENER BA

C.I.113 CAS：12768-92-2

MOLECULAR FORMULA: C₄₀H₄₂N₁₂O₁₀S₂Na₂

MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1997)

SPECIFICATION:

ITEMS	INDEX
Appearance	Light yellow powder
Whitening strength	100
Color Shade standard	Similar
Moisture content%	≤ 5.0
Content of water-insoluble impurities%	≤ 0.5
Fineness (residual content through 180μm)%	≤ 10.0

PROPERTY:

Optical Brightener BA 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.

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 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 cardboard bucket or plastic coating paper sack after being packed in plastic bag either 25 Kg or 50 Kg 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.

SHANGHAI JECA COLOR CO.,LTD.

BA