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   Optical Brightening 4BK
  Product name   Optical Brightening 4BK
   CAS No.   
   Molecular Structure   
   Uasage   

Main chemical name: stibene bistriazine derivative
Specification: Appearance: Slight yellow uniform powder
         Fluorescent color: Slight Bluish        
         Moisture: 5% (max)        
         Fineness (120 mesh residue): 5% (max)
Property: 1.with strong fluorescene, excellent whitening performance and slight bluish shade.
      2.With high light stability and chemical stability..
      3.Good acid stability, stable in perborate and hydrogen peroxide.
Application: Main be used in whitening of cotton fabric and polyester/cotton blends, T/C whitening in one bath.
* The information of our products is for reference only. We are not responsible for any unexpected results, or patent dispute caused by it.


  .Remark: products patented are for R&D only and are permitted under 35 USC 271(e). 
  .Patent products cannot be offered to the countries where patent law is in force. 
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