Lead free HASL PCB 1. Lead free HASL 2. Certificate: UL, ROHS, T/S16949 3. Company management: ISO9001:2000 4. Markets: Euro,America, Asia Detailed Product Description 1)Aluminum board (Al type:5052 or 6061) 2)Surface finish: OSP 3)Finish thickness:0.8-3.2mm 4)Thermal Conductivity(Dielectric layer):1.8 to 3.0W/m-k We offer as following Layer:1-22 Layers rigid PCB Base Material:FR-1, FR-2, CEM-1, CEM-3, FR-4, Aluminium base(MCPCB) Board Thickness:0.2/0.4/0.6/0.8/1.0/1.2/1.6/2.0/2.5/3.2/6.0 mm Copper Thickness:0.5/1/2/3 OZ Supplier:Nanya/KB/Shengyi Surface Finish:HAL, HAL lead free, OSP(Entek), Immersio Nickel Gold, Immersio Tin/Silver, Flash gold over nickel, Carbon Ink, Abailable Peelable Mask available Solder mask:Liquid Photo Imageable Soldermask(LPI) Color:Green/Blue/Red/Yellow/Black/white.