Silicone thermal gap filler Used in CPU, GPU, VGA, CMOS chip, MOSFET, PCB, IC, inverter, charger, adapter,chipset Insulator Features ... 400 / 320×320mm ASTM D1204Density2.3g/ccASTM D792Hardness30-70°C Shore CASTM D2240Continuous Temp-40 to 160°CEN 344Breakdown Voltage6000 ... Impedance1.3×1016Ω.cmASTM D527Weight Damnify≤0.5% @200°C 24HASTM E595UL Flammability Rating94 V0UL-94Thermal Conductivity1.5W/m- ...