Details
Thermal Grizzly Duronaut Pro is a high-end thermal paste (thermal compound) for CPUs, GPUs, notebooks and ICs, here in the 6g size. It is also available in 2g and 30g sizes.
Properties
- Amount
- 6g
- Fillers
- Aluminum microparticles, zinc oxide nanoparticles
- Carrier
- Specially developed silicone oil
- Electrical conductivity
- 0 pS/m, electrically non-conductive for safe installation
- Color
- Gray
- Weight
- 6 g net, 16 g boxed
Who it is for
The paste was developed for enthusiasts, overclockers and professionals seeking exceptional cooling performance with outstanding long-term reliability. Thermal Grizzly calls it an ideal high-end paste for gamers and overclockers, and recommends it as a top-tier product for demanding industrial cooling systems. That makes it an excellent choice for high-performance CPUs and GPUs, workstations, gaming systems and custom water cooling, with dependable operation in demanding computing environments. Whether you're assembling a high-end gaming PC, overclocking your hardware or maintaining a professional workstation, it provides the long-lasting thermal performance needed to keep your system running at its best.
Features
- Extreme long-term stability with minimal pump-out
- Enhanced thermal conductivity for superior cooling performance
- An electrically non-conductive formula, which provides additional installation safety
- Will not dry out or harden over time, and the paste needs no curing
Long-term stability and the pump-out effect
The name "Duronaut" is derived from the English term "durability." Building on the proven Duronaut formula, this premium version delivers improved thermal conductivity while maintaining remarkable durability. Thermal Grizzly gets that stability from a specially engineered silicone oil and an advanced formulation that combines aluminum microparticles (micropowder) with zinc oxide nanoparticles (nanopowder) in optimized shapes and sizes. The carefully balanced particle structure minimizes the pump-out effect, the expulsion of paste caused by repeated thermal cycling between a heatspreader and a cooler, while providing excellent adhesion to the surface. The data sheet adds that pump-out increases significantly at high temperatures. It is particularly critical between materials with differing coefficients of thermal expansion, for example a silicon GPU chip and a copper heatsink. Designed for years of consistent performance, the paste remains stable over extended use without drying out or hardening.
Ultra-thin layers
The formula is optimized for ultra-thin application layers. A silicone matrix serves as the carrier material and is filled with a high proportion of thermally conductive fillers, the aluminum microparticle and zinc oxide nanoparticle mix. Thanks to its small particle size the paste goes on as an ultra-thin application layer, which the data sheet calls an extremely thin bond line. The result is extremely low thermal contact resistance, ensuring highly efficient heat transfer between the heat source (e.g., a CPU) and the cooler.
Applying it
The package includes both the standard TG Spatula and the redesigned TG Spatula Pro, for optimal application. The Pro's improved design allows greater pressure on the surface during application, making it easier to spread the compound efficiently into an exceptionally thin, even layer for maximum cooling efficiency.
In the box
Package contents of the 6g version:
- 1x Duronaut Pro 6g
- 1x Applicator
- 1x TG Spatula
- 1x TG Spatula Pro
Thermal Grizzly's data sheet and safety data sheet are both PDFs.








