... Composition:Y2O3,CEO2,AL2O3,BAF2,H3BO3 Have SGS test report Fluorescent powder : Y3AL5O12:Ce (White ligth LED)Composition : Y2O3,CeO2,Al2O3,BaF2 ... distribution D50 : 11.0umThe relative brightness: 100%Our all products fluorescent powder are proved by IS0 9001:2000 (UKAS) and (SGS)TEST ... manufactory,welcome foreign customer to inquire and get cooperation.\\12 Fluorescent powder in light & lighting