Optical Brightener OB>KCB>FP-127
Optical Brightener KSN>KCB>CBS-127>OB>OB-1
Trichloromethane, DMF, tetrahydrofluoran and tetramethylbenzene are completely dissolved.
Optical Brightener OB-1
Optical Brightener VBL, BA, BBU, CXT, 4BK, etc.
Optical Brightener CBS-X、CXT