vbu

1.Fluorescent Brightener VBU,whitening agent 2.High quality 3.Competitive price 4 ... VBU2.Key WordsOptical Brightening agent DMS, Optical Brightener VBU,Optical whitening agent VBU, Brightener VBU3.AppearanceStraw yellow granule4.Quality Index ... 180um aperture) % ≤10.05.Performance and characteristics Fluorescence Whitener VBU belongs to stilbene derivative. Its water-solubility, sunshine resistance, ...