What Is Thermal Conductive Grease?

Thermally conductive grease is a type of one-component thermal management material designed to manage and dissipate heat generated in increasingly powerful devices. 

Single component greases are thermally conductive compounds that connect a heat source to a thermal spreading device. These flexible, high-performance thermal conductive grease products are useful in many thermal settings, such as heat sinks and almost all electrical applications. They offer fantastic thermal management performance and application flexibility to suit a wide range of assemblies.

Thermal conductive greases offer low thermal impedance and resistance, which improves the overall thermal conductivity of a system to improve the performance and reliability of devices.


Why Use Henkel Thermally Conductive Grease?

For manufacturers with a preference for traditional thermally conductive grease compounds, Henkel offers several REACH/RoHS-compliant formulations that fit a wide range of applications. Used in high-performance applications where a small bondline thickness is essential for high thermal performance, our LOCTITE® Bergquist® brand thermally conductive greases offer immediate functionality upon application and fantastic thermal performance. 

Our greases are the ideal option for easily compensating for voids within assemblies. This makes them a perfect solution for use in devices that have issues with flatness or coplanarity.

Available in cartridges or bulk containers, Henkel’s thermal greases include high-performance, high-temperature reliability, thermal conductive silicone grease, silicone-free, and water-cleanable formulas.

The line of thermally conductive thermal interface compounds (TIC) offers a range of products designed to flow under assembly pressure to wet-out the thermal interface surfaces and produce very low thermal impedance. 

TIC products are suitable for many assemblies and components, offering improved thermal performance and reliability of assembly. They are often deployed in applications between a high-end computer processor and a heat sink, or other high-watt density applications.


Compare Thermal Grease Products

The thermal conductive grease portfolio is suitable for a wide range of applications, with many products to choose from. Explore LOCTITE® Bergquist® thermal grease compound products below. Each is designed specifically for thermal interface between high-end computer processors, heat sinks, and more. Discover the full range:


Discover thermal grease product technical specifications with our technical data sheets (TDS). Download safety data sheets (SDS) for information on product safety and use, or get access to a product-specific restriction of hazardous materials sheet (RoHS).

Choosing a Thermal Grease Product

The thermally conductive grease compound portfolio is made up of a range of products with diverse thermal characteristics. These all dictate which product is the best option for your specific application and needs. When choosing your thermal grease compound, considerations will include:

  • Required viscosity for flow needs in your application.
  • The required level of thermal resistance for your heat-dissipating needs.
  • Level of thermal conductivity required.
  • The thermal performance, depending on the heat generated within a device.
  • Size of the gap that must be filled within a device.
  • The type of resin required for use.

Benefits of Thermal Greases

Thermally conductive greases offer fantastic thermal performance and heat dissipation in high-watt density applications and devices. They can also help save time and money through easier application and dispensing. Benefits of thermal conductive grease products include:

  • Offering low interfacial resistance to maximize thermal management performance.
  • Providing lower thermal impedance to allow for better conductivity within an application.
  • Resistant to dripping to ensure grease stays in place and reduces the risk of mess.
  • Ideally suited to a range of applications, including both dispensing and screen-printing applications.
  • Don’t require post-cure conditioning, speeding up the production process overall.
  • Perfect wet-out performance when compared to alternative thermal products.

Thermal Conductive Grease Options

Thermally conductive grease compounds can be sourced with application-specific options and containers. Get in touch with a technical expert for more information and to find the full range of options available.

Alternatives to Thermal Grease

Henkel’s HI-FLOW phase change materials are not only an effective alternative for thermal grease compounds, their thixotropic characteristics also ensure they are solid at room temperature and won’t flow out of an interface at the operational temperature in the way many liquid thermal products can.

To learn more about Henkel’s thermal grease alternatives, click here

Explore Thermal Grease Applications

The portfolio of thermally conductive grease products is highly versatile and can be used in a wide range of assembly applications. Thermal greases can be used in such applications as: 

  • Between computer processors and heat sinks
  • In high-watt density assemblies
  • In power semiconductors

Resources for Thermally Conductive Grease

Learn more about our thermally conductive grease products and their specifications in our thermal management materials brochure. Or download the selection guide to help choose the right product for your required application.

Thermally Conductive Grease FAQs 

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