5. Thermal Management
Defense Markets
A fighter jet wireframe showing thermal hotspots

Seek & destroy heat buildup.

Let us help you pack more power into less space with comprehensive thermal management solutions.

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3M Thermal Management Solutions

Don’t let heat buildup put your project at risk—we can help you plan for it and problem-solve it across your platform with thermal management solutions for dissipating, insulating and tolerating heat. From electrical components all the way to the extreme heat generated by jet propulsion systems, we can help you find the right thermal management solution for your application.

  • Thermal view of computer motherboard
    Heat Transfer

    Help protect the safety and performance of batteries and electronics with insulating materials, fluids, resins and fillers from 3M. Our products have helped to prevent outside temperatures from heating batteries by as much as 33%. We can help dissipate heat while maintaining electrical insulation with boron nitride, apply 3M™ Scotchcast™ Electrical Resin to resist moisture on PCBs and much more.

  • Microscopic view of 3M Thinsulate Material
    Temperature Control

    Keep your cool with temperature control for cabins, cockpits, and other critical areas of vehicles. Our solutions include 3M™ Thinsulate™ acoustic insulation—which protects against friction-causing sound waves—or our window films that are proven to reject up to 60% of the solar energy that comes in through windows to reduce heat and help you cool the area down faster.

  • Macro photo of 3M Scotch-Weld Film
    Heat Barrier

    From protecting NASA Space Shuttles during re-entry, to controlling heat produced by internal combustion engines, our full suite of heat barrier solutions have been applied to solve challenges with composite reinforcement, flame barrier and other types of high-temperature insulation applications across a wide range of vehicle platforms.

Let’s find a solution.

Use the product filter tool below to browse design solutions.

  • Cool under fire.

    3M™ Thermal Management Fluids can deliver efficient heat transfer properties and maintain stability at temperatures up to 300°C.

    Learn More (PDF, 1.08 MB)

How we work together.

  • Access to Experts
    Access to Experts
    Our team of bench-to-bench experts work collaboratively with your engineering and design teams to isolate and eliminate or avoid challenges—while also thinking holistically about your entire platform. One primary point of contact works with you directly to connect the right people at the right time to make the right decisions.
  • Access to Samples
    Access to Samples
    Don’t just take our word for it: you can request samples of virtually any of our products to support your testing and spec-in efforts. Simply provide some limited information to your primary point of contact and we’ll work with you to get you the samples you need quickly.
  • Access to Data
    Access to Data
    At 3M, we like to share our data. Each of our product pages details publicly available information including safety data sheets, technical specification sheets and more to help your research. If you are unable to locate the specific information you are looking for, you can simply select the product category of interest and either call or complete the form to get connected with one of our experts to provide answers.
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Product Solutions

With a wide range of thermal management solutions, we can work with you to find the right combination of technologies to help you meet your design objectives on military aircraft, vehicles, ships and more. Explore our portfolio of heat transfer, temperature control and heat barrier products below.

Electronics

Processors. Batteries. Monitors. Every electronic component generates and contributes heat to your platform—and we can help you manage and mitigate it right at the source with thermal management materials and electric battery solutions.

Acoustic Insulation

Beyond mitigating sound, our acoustic insulation solutions have also helped address the thermal challenges associated with noise, vibration and harshness. Our solutions include acoustic absorption materials that can help reduce NVH in high-temperature applications without adding weight.

Nextel™ Ceramic Fibers and Textiles

Achieve extreme endurance with our high temperature and structural ceramic fibers and textiles. They provide reliable flame, heat and impact resistance in a lightweight form factor—performing at temperatures up to 2372ºF (1300ºC).

Glass Bubbles

3M glass bubbles are high-strength, low-density hollow glass microspheres made from soda-lime borosilicate glass. They are known to provide a number of inherent performance advantages, including thermal insulation and solar reflectivity.

Boron Nitride Cooling Fillers

Engineered and currently used to help improve thermal conductivity in polymers while maintaining or improving electrical insulation, these additives have unique properties that make them suitable for many thermoplastic, elastomer and thermoset resins used in a wide variety of electrical and electronic applications.

Composite Reinforcement

Our Nextel™ Ceramic Fibers are also used as structural reinforcements in a variety of metal, ceramic and polymer composites to make them stiffer and stronger. Suitable for load-bearing applications, the resulting composites withstand higher temperatures than metals at a lighter weight.

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