... 2mm thickness board 4.UL ISO9001certificater 5.green silk sgreen gps pcb1.Transportation by air,by ship ,by express,up to ... reference: DescriptionDetails SpecificationBase MaterialFR-4,Aluminium-backed board,Halogen-free,Lead-free compatible,High Tg,High CTI,CEM-1,CEM-3 etc ... OSP(lead freecompatible),Carbon ink,Peelable S/M,HASL(lead free),Immersion silver/tin,Gold finger plating,ENIG+gold finger ...