... PCB LED Light Circuit Boards1. size: 95*95mm2. board thickness:aluminum 1.6mm3.circuit boards factory4. RoHS approved ... 5mm,2.0mm, 3.0mm and 3.2mmFinished Board Thickness0.4mm To 4.0mmThickness Tolerance+/-10%Aluminum ... Flash gold, OSPSoldermask colorWhite, Black, others AvailableLegend colorBlack, White, others AvailableEtestYESRohsYESReference StandardIPC-A-600G Class 2Special holesSpot facing, ...