C.I.Number: 85
Chemical name: stibene derivative
Specification:
Appearance: Slight yellow powder
Fluorescent color: Similar to the standard sample
Whitening Strength: 100±3%
Moisture: 5% (max)
Fineness (80 mesh residue): 5% (max)
Property: 1.with bluish violet color
2.Soluble in soft water as much as 80 times weight, 300ppm in hard water.
3.Anionic types, alkali endurable, can be used in one bath of anionic and nonionic surfactant.
4.To be unendurable ion of copper and iron, etc. Unsuitable to be used in cationic dyestuff and surfactant.
Application: 1. Whitening agent for cellulose base fiber and cotton fabric.
2. Whitening agent for white pattern in discharge printing of cotton fabric.
3. Brightening agent for light colored cellulose base fiber.
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