... . 2.Excellent dimensional stability 3.Used in HVAC circuit board PCB data:1.Excellent thermal conductivityLED lighting.2.Excellent dimensional stability ... shielding. Solid relay 5. High cost performance ItemDetailsprinciple productsprinted circuit board,single sided,double sided,multilayer,chip on board PCBcapacityDouble ... ,flash gold,gold finger,electronics gold plating,plating tin circuit board