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Products

Optical Brightening Agent VBL

  Main composition  


C.I. No:

85

CAS. No

12768-92-2

Molecular mass

960

Formula

C40H42N12O10S2Na2

Type of product

Mixture substance



  Technical index  

Appearance

Yellowish powder

pH Value(1%solution)

6.0~8.0

E  Value(±10):

370

Ionic character

anionic



  Performance and Features  

1.    Convenient in application, diluted with water.

2.    It can be directly added into the paper pulp, but in the course of adding, should avoid adding together with the other cationic chemicals or directly contact, mix. Adding in the pulp, the proportion based on weight of between OBA and absolute dry paper pulp is 0.05%~1.5%。

3.    It can be used in cotton, dosage: 0.05-0.4% (o.w.f.); Liquor ratio: 1:10-30; Temperature: 80℃~100℃  30~60min.


  Packaging and Storage  

Packaging with 25kg bag, or special packaging according to customers, more than two years of stability,store at the room temperature.




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Important statement:The above data is based on our present knowledge and experience, so all the manufacturers should identify the best technology and dosage according to different products and the actual production conditions.