uick Details: 2W/m.k, Aluminum Core, 1L+Al+1L Base Material Aluminum Core Thermal conductivity 2W/m.k Layer Counts 1L+Al+1L Board Thickness 2.0 mm Copper Thickness 1OZ Min. Hole Size 12mil (0.3mm) Min. Line Width/ Spacing 4mil (0.1mm)/5mil (0.125mm) Solder mask Color White Silkscreen Color Black Surface Finishing Lead Free HASL Min.Quantity of Order No MOQ Certificate UL, ISO 9001, ISO 14001 Difficulty Aluminum Core