Optical brightener BBU (OBA220)   
   
C.I. 220   
CAS No.: 16470-24-9   
Appearance: dark yellow liquid       
Usage：   
1.Used for cotton fiber and glue fiber.2.Used in the syrup of discharge pattern of printing color.3.Used in paper pulp.4.used in the process of surface gluing.5.used in the process of coating.   
Package: 25KG plastic drums or customer needed   
Counter of Blankophor BBU(BAY)