optical brightener( ER330) C.I.No.: 199 Main ingredient: Stilbene derivative Specification: AppearanceLight yellow dispersionIonicityNon-ionicShadeVioletSolubilityDispersible i
optical brightener OB-1 (C.I.FB 393) Product Description in Detail: Chemical name 2,2'-(1,2-Ethenediyldi-4,1-phenylene)Bisbenzoxazole Molecular formula: C28H18N2O2 Molecular weight: 332
optical brightener cbs-x C.I.No.: 351 Formula: C28H20S2O6Na2 Specification: AppearancePistachio granuleSmellNo special smellMaxuv absorption spectrum348nm±1nmExtincti
optical brightener ER-330 C.I.No.: 199 Main ingredient: Stilbene derivative Specification: AppearanceLight yellow dispersionIonicityNon-ionicShadeVioletSolubilityDispersible
fluorescent brightener agents BBU C.I.No.: 220 Main ingredient: Stilbene derivative Specification: AppearanceAmber liquidPH8-10Density(20°C)1-1.2g/cm3Viscosity(20°C)≤80mpa
optical brightener ER-I(C.I.FB 199) C.I.No.: 199 Frame: Formula: C24H16N2 Molecular weight: 332 Specifications AppearanceYellow crystal powderFluorescentViolet(approximate to that of t
Melurac Amino Resin (Crosslinking Agent) OS303-80 Main compositions: Partly Methyl-etherized Melamine formaldehyde resin Technical index: AppearanceColorless transparent liquidSpecific weight1.12(g
fluorescent whitener CBS-127/FP (C.I.FB 378) Product Description in Detail: Chemical name: 4,4'-Bis[2-methoxyphenyl)ethenyl]-1,1'-biphenyl Molecular weight: 418Specification: Appearance light y
fluorescent brightener OB (C.I.FB 184) C.I.No.: 184 Frame: Molecular formula: C26H26N2O2S Molecular weight: 430 Specification AppearanceLight green powderShadeBlue whiteAssay≥98.0%Melti
textile/cotton OBA VBL (C.I.FB 85) C.I.No.: 85 Main ingredient: Triazinyl derivative of stilbene Specification AppearanceLight yellow powderFineness(150mesh)≤5.0ShadeApproximate to