Optical Brightening Agent VBL

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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.

Optical Brightening Agent VBL


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