Silicone thermal gap filler Used in CPU, GPU, VGA, CMOS chip, MOSFET, PCB, IC, inverter, charger, adapter, ... ASTM D1204Density2.3g/ccASTM D792Hardness30-70°C Shore CASTM D2240Continuous Temp-40 to 160°CEN 344Breakdown Voltage6000 VAC/mmASTM D149Volume Impedance1 ... Conductivity1.5W/m-kASTM D5470 Silicone thermal gap filler for CPU, GPU, VGA, CMOS chip