10-Layer PCB, Green Solder Mask ,Immersion Tin, RoHS Compliance. 10-Layer PCB,Green Solder MaskImmersion Tin, ... Mask Abrasion>= 6HFlammability94V-0Surface FinishingHASL, LF-HASL, ENIG, Flash Gold, Immersion Tin, Immersion Silver, OSP,Gold Finger, Peelable Mask, Carbon PrintingMaterialFR4, ROGERS, Taconic ...