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China fluorescent brightener BBU 220
China fluorescent brightener BBU 220
China fluorescent brightener BBU 220
China fluorescent brightener BBU 220
China fluorescent brightener BBU 220

China fluorescent brightener BBU 220

Brand
Raytop
Appearance
light yellow uniform powder
Purity
100%
Color shade
Blue
Finess
80 mesh
Package
25kg per kraft paper bag
Shelf Life
2 years
Transport
by sea or by air
Molecular formula
C40H40N12O16S4Na4
CAS
16470-24-9
Color light
blue
Solubility
water or solvent
Wavelength
350nm
China fluorescent brightener BBU 220 is a water-soluble brightener,which has two different forms,powder and liquid,it can be used for whitening cotton fiber, viscose fiber, and paper.

China fluorescent brightener BBU 220

China fluorescent brightener BBU 220

China fluorescent brightener BBU 220

China fluorescent brightener BBU 220

China fluorescent brightener BBU 220 Product details:

China fluorescent brightener 220 is a water-soluble brightener, commonly used for whitening cotton fiber, viscose fiber, and paper.

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Fluorescent brightener BBU 220 Structural formula:

China fluorescent brightener 220

CI NO.:220

CAS NO.:16470-24-9

Molecular formula: C40H40N12O16S4Na4

Relative molecular mass: 1165.12

Ultraviolet absorption wavelength: 350 nm

Attributes: anionic, blue light

Executive standard: HG/T3727-2010


China fluorescent brightener BBU 220 physical indicators:

1) Appearance: light yellow uniform powder

2) Fluorescence intensity (equivalent to standard product): 100±3

3) Whiteness (Difference between whiteness of standard product: sample whiteness% or WCTE-standard whiteness% or WCTE): ≥ -3

4) Moisture content: ≤ 5.0%

5) Fineness (the amount of residue passing through the 250μmm sieve): ≤ 10%

6) Mass fraction of water insoluble matter: ≤ 0.5%


Performance characteristics of China fluorescent brightener BBU 220:

1. Good water solubility, soluble in 3-5 times the volume of boiling water, about 300g per liter of boiling water and 150g in cold water.

2. Not sensitive to hard water, Ca2+ and Mg2+ do not affect its whitening effect.

3. Anti-peroxidation bleaching agent, containing reducing agent (sodium sulfide) bleaching agent.

4. The acid resistance is general, and the whitening condition PH>7 is better.


China fluorescent brightener BBU 220 Product use:

1. Used for whitening cotton fiber and viscose fiber.

2. It is suitable for adding to the whitening printing paste.

3. Fluorescent whitening is carried out in the pulp.

4. Fluorescent whitening is carried out in the process of surface sizing.

5. Fluorescent whitening is carried out during the coating process.

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How to use China fluorescent brightener BBU 220: (Take the padding method as an example)

1. The temperature of the padding liquid is 95-98℃, the residence time: 10-20 minutes, the bath ratio: 1:20,

2. The steaming time is about 45 minutes, the recommended dosage of Lianda Chemical: 0.1-0.5%.


China fluorescent brightener BBU 220 Matters needing attention:

Transportation: China fluorescent brightener 220 products should be transported to avoid collision and exposure.

Storage: Store in a cool, dry and ventilated warehouse, with a storage period of two years.


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Name: Oswald         time:2022-01-19 09:28:54
Amazing optical brightener at a low price. Your best choice!!!

Name: Y Lewis         time:2022-01-14 11:01:05
it was a good price and Optical Brightener was in very good quality. Great!

Name: Gerald         time:2021-12-22 15:05:36
Received the fluorescent brightener. Never seen something this perfect!

Name: Bradley        time:2021-12-17 14:29:53
BEST IVE EVER USED!!!

Name: Atwood        time:2021-12-14 14:25:58
I received my fluorescent brightener and I absolutely happy with them.

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