Performance Compound 455 AK-455-5G Features: 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 Specifications: General Colour Grey Viscosity 76 cP Thermal Conductivity >2.4 W/mK Operating Temperature -50°C ~ 240°C Volume 5g Product Code AK-455-5G