Hi need FR4 Glass Epoxy Copper Clad Laminate SheetQuantity:500 Piece PiecesDetails:Material:FiberGlassRated Voltage:40KVApplication:High TemperatureType:Insulation SheetTensile Strength:ExcellentThickness:0.4-3.0 mmSize:37 x 48, 40 x 48, 41 x 49Copper thickness:1 1,1 0,H H,H 0,2 0,2 2 etcColor:yellow , greenUsage:Appliance Industry and General Electronic ProductsFeature:Heat-ResistantType:Insulation Sheet Show More