AK-455-5G is a new improved formulated thermal compound that gives hi-performance heat transfer between the CPU and heatsink. Minimised resistance and maximised efficiency truly enables you to get more from your cooler. Easy to use. RoHS compliant. Hi-performance heat transfer between the CPU and heatsink Maximum thermal conductivity, 2.4W / mK Easy to apply with spreader card Multi-language instructions included RoHS Compliant Colour: Grey Application: Syringe and Spreader Card Thermal Conductivity: 2.4 W / mK Volume/Weight: 5g Operating Temperature: -50oC - 240oC Viscosity: 76 cPs Retail Package: Yes