Silver Cool Thermal Compound, Silver Cool 1.5g, Viscosity: 76 CPS, Thermal Conductivity: >4.5W/mK, Thermal Impedance: 5.1, Operation Temperature: -30 C to 240 C, Silicone Compounds: 50%, Carbon Compounds: 20%, Metal Oxide Compounds: 20%, Silver Oxide Compounds: 10%