Optical Brightener BBU

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Description:

C.I.220  CAS: 16470-24-9

STRUCTURE:
Optical Brightener BBU

MOLECULAR FORMULA:Optical Brightener BBU Molecular Formula
MOLECULAR WEIGHT:
1165.12(As international relative Atom Mass 1997)
Max UV ABSORPTION WAVELENRHTH:350nm
CHARACTER:Show anionic character and optical blue color
EXCUTIVE STANDARD:HG/T3727-2003
SPECIFICATIONS:

ItemIndices
AppearanceLight yellow uniform powder
Fluorescent strength(equivalent to the standard sample)100
Color ShadeSimilar to standard sample
Whiteness(the deviation with the standard sample)≦-3
Moisture content≦5.0%
Content of water-insoluble impurities≦0.5%
Fineness(residual content passed through 250υm-pore sieve)≦10%


PROPERTIES:

1.Good water solubility and can be dissolved in 3-5 times boiling water, and its solubility is 300g per liter in boiling water and 150g per liter in cooling water.
2.Good resistance to to hard water, the ions of Ca2+and Mg2+have no influence on its whitening effect.
3.Good resistance to peroxide bleach agent and containing reductive bleaching agent(sodium hydrosulfite).
4.General acid-resistance and the optimal applide pH value.

USAGE:
1.Used for cotton fiber and glue fiber.
2.Used in the syrup of discharge pattern of printing color.
3.Used in the paper pulp.
4.Used in the process of surface gluing.
5.Used in the process of coating.

PROCESS:
Bath temperaure is about 95-98℃,holaing time is about 10-20minutes,bath ratio is 1:20,vapor steaming about 45 minutes,the dosage is 0.1-0.5%.
PACKAGE:Packed in cardboard bucket after being firstly packed in plastic bag.Net weight per bucket is 25kg or 50kg.
TRANSPORTAION:Should avoid sunlight and crash.
STORAGE:Should be stored in cool,dry and ventilate place,and storage period should not exceed 2 years.


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