• Fluorescent Brightener Vbu Whitening Agent Vbu
  • Fluorescent Brightener Vbu Whitening Agent Vbu
  • Fluorescent Brightener Vbu Whitening Agent Vbu
  • Fluorescent Brightener Vbu Whitening Agent Vbu
  • Fluorescent Brightener Vbu Whitening Agent Vbu
  • Fluorescent Brightener Vbu Whitening Agent Vbu

Fluorescent Brightener Vbu Whitening Agent Vbu

CAS No.: 12768-91-1
Formula: C40h40n12o16s4.4na
EINECS: --
Appearance: Powder
Usage: Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents
Color: Yellow
Customization:
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Basic Info.

Model NO.
KW
Transport Package
25 Kgs Bag
Specification
powder
Trademark
KINGWAY
Origin
China
Production Capacity
500000mt/Year

Product Description

Fluorescent Brightener Vbu Whitening Agent Vbu
Fluorescent Brightener VBU
Other names:
Optical Brightening agent DMS, Optical Brightener VBU,
Optical whitening agent VBU, Brightener VBU
 
Quality Index
Item
Index
Appearance
Straw yellow granule.
Fluorescence intensity, (standard products), cent
100
Whiteness (Difference with that of standard product:
whiteness of sample product% or WCTE standard sample
whiteness% or WCTE)≥
-3
Moisture, % ≤
5.0
Water-insoluble % ≤
0.5
Fineness (residuum through screen with 180um aperture) % ≤
10.0
Performance and characteristics
Fluorescence Whitener VBU belongs to stilbene derivative. Its water-solubility, sunshine resistance, and acid-alkali resistance is higher than that of VBL, and higher whiteness under the same dosage. Blue with purple light as dissolved in the water; be stable when stored and transported. It is especially suitable for manufacturing high-grade paper and cotton fabrics.
Application:
 1). Application in paper making:
Whitening in ingredients, surface sizing and coating, etc. Added directly or dissolved in the water with temperature 30-50°C. Dosage: to dry paper pulp: whitening in ingredients 0.1-0.3%; whitening in coating 0.1-0.5%; surface sizing 0.1-2%.
 2). Application in printing and dyeing
Cotton yarn and cotton fabric after fluorescence Whitener treatment improve their appearance greatly, increase their whiteness and brightness. The bleaching cotton yarn and fabric must get rid of all chlorine. The water should have no metallic ion, such as copper and iron ions. Temperature 40-90°C; PH: 8-9; dosage: 0.1-0.5%
Package, storage, and transport
25kg plastic bag, 25kg Carton pail, or packaging according to clients' demand. Keep from sunshine, dampness; two years valid period.
 
We are optical brightener manufacturer,we can offer you the high and steady quality with competetive price.
For more details please contact us. HENAN KINGWAY CHEMICALS CO., LTD.
 

Fluorescent Brightener Vbu Whitening Agent VbuFluorescent Brightener Vbu Whitening Agent VbuFluorescent Brightener Vbu Whitening Agent Vbu

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Gold Member Since 2021

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Trading Company
Registered Capital
10000000 RMB
Plant Area
>2000 square meters