Trade Name:Optical Brightener VBL
Molecular formula and weight:C36H34O8N12S2Na2 =872.84
Structure:

CAS No.: [12224-06-5 ]
Specification:
Item |
Indication |
Appearance |
Fine light yellow powder |
Fluorescent intensity |
100 |
Moisture |
5.0% max. |
Insoluble in water |
5.0% max. |
Fineness (remains by 250um) |
10Z% max. |
Additional Information:
Origin |
China |
Package |
Net weight 25KGS/Drum, 36(D)*46(H)Cm |
Product Application: Optical Brightener VBL is typical product of Twin Ammine Tristriazine. It can be solved in 80 times soft water and show anion character, the PH resistance & #118alue is 6-11,Expected dyeing bath PH & #118alue is 8-9 When used in acidic solution with the increasing of acid, optical will be weaker and turn into yellow color, it can resist 300ppm hard water, resist 0.25%ionic chloride ,but don’t resist the ion of copper and iron, show stability with safety powder ,but can not be high temperature baked, it can be used in the same bath with anionic and nonionic dyestuff, surfactant and oxydoi, unsuitable to be used in cationic dyestuff, surfactant and raw synthetical resin, it has blue optical color.
Whitening agent for cotton fabric and gluing products, vivdece for light color or printing products. It shows normal sun light resistance, has good affinity with cellulose fiber, normal level dyeing result. can be used in printing pulps and exhausting or padding dyeing.
Whitening agent for polyvinyl alcoholic fiber and polyamide fiber.
Whitening agent for paper industry, paper pulp or paints.
Recommended Usage:
Item |
Dosage |
Dyeing industry |
0.08 – 0.4% |
Paper industry |
0.1 – 0.3% |
Transportation: Avoid upside down, sunlight, wet and crash , avoid damage the package.
Storage: Should be stored in cool, dry and ventilated place, stored term shouldn’t exceed 2 years.
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