Noctua's NT-H1 is a pro-grade TIM solution for enthusiasts who demand both exceptional performance and maximum ease of use: A hybrid compound of different micro-particles allows for minimum thermal resistance, excellent ease of use and outstanding long-term stability.
Specification 
Volume - 1.4ml (for at least 15 applications) volume 
Specific Gravity - 2,49 g/cm³ 
Color - Grey color 
Recommended storage time (before use) - up to 2 years 
Recommended usage time (on the CPU) - up to 3 years 
Peak operating temperature - -50°C to +110°C 
Recommended operating temperature - -40°C to +90°C