... . 2.Excellent dimensional stability 3.Used in HVAC circuit board PCB data:1.Excellent thermal conductivityLED lighting.2 ... . Solid relay 5. High cost performance ItemDetailsprinciple productsprinted circuit board,single sided,double sided,multilayer,chip on board ... Multilayer--50,000sq/yearbase material FR4,CEM1,CEM3,25FR/N,TLF-34,35SoldermaskLiquid photot imagerable,conventional,ULPlating/surface ...