... YAG-04 Composition:Y2O3,CEO2,AL2O3,BAF2,H3BO3 Have SGS test report Fluorescent powder : Y3AL5O12:Ce (White ligth LED)Composition : Y2O3,CeO2 ... powder are proved by IS0 9001:2000 (UKAS) and (SGS)TEST and RoHS,REACH standard for Europe , good quality with best ...