Fluorescent brightener KB

Fluorescent Brightener 90-1 Fluorescent Brightener 30 Fluorescent whitening agent ER fine powder 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Fluorescent Brightener 368 Fluorescent Brightener 184 KSB (FBA 369) Fluorescent Brightener 113 Fluorescent Brightener 220 Fluorescent Brightener PF-2 PF-plastic fluorescent whitening agent Fluorescent brightener KB-1 Fluorescent brightener PC Fluorescent brightener AW-L Fluorescent brightener PB Fluorescent brightener CBS Fluorescent whitening agent for plastic Fluorescent Brightener DCB