C.I.113 CAS：12768-92-2
MOLECULAR FORMULA: C40H42N12O10S2Na2
MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991)
EXCUTIVE STANDARD: Q/LQH001-1997
SPECIFICATIONS:
ITEM | INDEX |
Appearance | light yellow uniform powder |
Fluorescent Strenghth (equivalent to the standard sample) | 100 |
Color Shade | Similar to Slightly Different |
Moisture content | ≤ 5% |
Content of water-insoluble impurities | ≤0.5% |
Fineness (residual content passed through 180μm-pore sieve ) | ≤10% |
PROPERTY:
The 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.
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.
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