A:Optical Brightener MDAC,SWN
A:Optical Brightener OB-1
A:Optical Brightener CBS-X、CXT
A:Optical Brightener VBL, BA, BBU, CXT, 4BK, etc.
A:Optical Brightener OB-1
A:Trichloromethane, DMF, tetrahydrofluoran and tetramethylbenzene are completely dissolved.