... 4mil/4milSolder mask: RedSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ISO9001Package ... : 5mil/5milSolder mask: GreenSilkscreen: WhiteApplication: PCBA for the Internet of ThingsMin footprint: 0402Certificate: CE, Rosh, UL, ISO9001 ... , conformal coating and complete assembly for clients all over the world, our main market is Europe, north ...