... $msn.cn 1)MCPCB 2)printed circuit board, 3)High quality,ROHS 4)HAL lead free board Lead free HASL PCB 1. ... . Markets: Euro,America, Asia Detailed Product Description 1)Aluminum board (Al type:5052 or 6061) 2)Surface finish: OSP ... 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, ...