Optical brightener VBL/VBL-L(OBA 85)   
   
C.I. 85   
CAS No.：12224-16-7   
Appearance: light yellow powder    
Purity: 98%   
Usage:   
VBL is mainly used to whiten and brighten white cellulose fabric,paper, light-colored cellulose fabrics, dial dye printing etc.   
Package: 25KG fiber drums with PE liner.   
Counter of Mikephor BX(MDW)