High-Temperature Adhesive

High-Temperature Adhesive for Better Performance in Automotive Manufacturing

In the fast-evolving automotive industry, manufacturers continuously seek innovative solutions to enhance vehicle performance, safety, and durability. One such advancement is the use of high-temperature adhesives. These adhesives have become indispensable in automotive manufacturing due to their ability to withstand extreme conditions, improve bond strength, and maintain structural integrity. In this blog, we will explore what high-temperature adhesives are, their benefits, applications in the automotive industry, and the future trends shaping their development.

Understanding High-Temperature Adhesives

High-temperature adhesives are specially formulated to maintain their bonding properties at elevated temperatures. Unlike regular adhesives that may degrade or lose effectiveness when exposed to heat, high-temperature adhesives are designed to perform reliably under harsh thermal conditions. These adhesives can withstand temperatures ranging from 150°C to over 300°C, making them ideal for various automotive applications.

Types of High-Temperature Adhesives

There are several types of high-temperature adhesives used in automotive manufacturing, each with unique properties suited to specific applications:

  1. Silicone Adhesives: These adhesives offer flexibility, excellent thermal stability, and resistance to environmental factors, making them suitable for sealing and bonding applications.
  2. Polyurethane Adhesives: With high flexibility and impact resistance, polyurethane adhesives are often used in applications requiring a strong yet flexible bond.

Choose High-Temperature Adhesives for ThreeBond

ThreeBond 1109J:

Imagine you’re working on your car, and you need a gasket that can withstand high temperatures and maintain its seal. It is where ThreeBond 1109J comes into play. It’s not just any sealing compound—it’s a robust, asbestos-free solution designed to endure extreme conditions. Whether you’re in the automotive, electrical, or industrial sector, ThreeBond 1109J is a product you can count on.

Key Features ThreeBond 1109J stands out for several reasons:

  1. Stability Over Time: One of its top qualities is its ability to remain homogeneously dispersible even after long-term storage. It means you won’t find it solidified or separated when you need it.
  2. Safety: With increasing health concerns, it’s good to know that this product is asbestos-free. It makes it safer to use compared to traditional high-temperature sealants that contain asbestos.
  3. Heat Resistance: This gasket can handle temperatures up to 400°C. That’s impressive, especially when you consider that many conventional sealants can’t withstand such high heat.
  4. Regulatory Compliance: It meets organic solvent regulation guidelines and doesn’t contain dangerous materials, making it environmentally friendly and safer to use in various applications.

Applications: So, where can you use ThreeBond 1109J? Here are a few examples:

  • Automotive: It’s perfect for sealing automobile mufflers and other high-temperature parts. Whether it’s your car’s exhaust system or other engine components, this gasket can take the heat.
  • Electronics: It’s also ideal for fixing electronic and electrical parts that are near heat sources. It includes components in mobile phones, computers, and other devices.
  • General Industry: Beyond cars and electronics, it’s useful in sealing various high-temperature parts in construction equipment, ships, and even general machinery.

Physical Properties Here are some technical details if you’re interested:

  • Appearance: Grey paste
  • Specific Gravity (25°C): 1.62
  • Consistency (25°C): 295
  • Storage Life (25°C): 1 year
  • Volume Change at 400°C: +12% (3 minutes), -12% (30 minutes)

ThreeBond 3732

ThreeBond 3732 comprises heat-resistant inorganic adhesives known for their high performance in extreme conditions. Utilizing metallic alkoxide as a binder, these adhesives are designed to meet rigorous industrial requirements, providing robust bonding, excellent water resistance, and superior electrical properties.


  • Heat Resistance: Withstands temperatures over 1000°C.
  • Easy Drying: Facilitates faster processing times.
  • Water Resistance: Protects bonded components from moisture.
  • Electrical Insulation: Excellent dielectric properties.
  • Non-Corrosive: Safe for various materials.
  • Main Components: Alumina.
  • Exterior: White.
  • Viscosity: 11.0 Pa·s.


  • Bonding Ceramic, Glass, or Metal: Provides strong adhesion for diverse materials.
  • Coating or Potting Sensors: Protects electronic components.
  • Sealing Heaters: Ensures air-tight seals.
  • Fixing Heat-Emitting Electronic Parts: Suitable for components near heat sources.
  • Anti-Corrosive Coating: Prevents oxidative damage.
  • High-Temperature Parts: Bonds heat-resistant thermoset materials.

Examples of Use:

  • Transportation Market: Powertrains, electrical components in automobiles, construction equipment, and ships.
  • Electronics Market: Electrical appliances like mobile phones and computers.
  • Public Infrastructure: Infrastructure projects, general machinery, and construction.
  • Sensors and Elements: Coating and potting to protect from environmental factors.
  • Filling and Adhesive for Metals: Provides durable bonding for metal parts.
  • Anti-Oxidation Coating: Protects from carbon build-up and sludge.

Benefits of High-Temperature Adhesives in Automotive Manufacturing

The use of high-temperature adhesives in automotive manufacturing offers several advantages:

  1. Enhanced Durability: High-temperature adhesives maintain their integrity under extreme heat, ensuring that bonded components remain secure and reliable throughout the vehicle’s lifespan.
  2. Improved Performance: By providing strong bonds that can withstand thermal cycling and mechanical stress, high-temperature adhesives contribute to the overall performance and safety of the vehicle.
  3. Weight Reduction: Adhesives allow for the bonding of lightweight materials like aluminum and composites, reducing the overall weight of the vehicle and improving fuel efficiency.
  4. Corrosion Resistance: These adhesives create a barrier against moisture and chemicals, protecting bonded components from corrosion and extending their service life.
  5. Vibration and Noise Reduction: High-temperature adhesives help dampen vibrations and reduce noise, enhancing the driving experience and passenger comfort.

Applications in the Automotive Industry

High-temperature adhesives are used in various critical areas of automotive manufacturing:

Engine and Powertrain Components

Engines and powertrains are subjected to intense heat and mechanical stress. High-temperature adhesives are used to bond and seal components such as cylinder heads, exhaust systems, and gaskets. These adhesives ensure that parts remain securely attached and operate efficiently, even under extreme conditions.

Exhaust Systems

The exhaust system is exposed to high temperatures due to the combustion process. High-temperature adhesives are used to bond heat shields, catalytic converters, and other exhaust components. It not only enhances the durability of the exhaust system but also helps in reducing emissions.

Brake Systems

In brake systems, high-temperature adhesives are used to bond brake pads and linings. These adhesives must withstand the high temperatures generated during braking to ensure reliable performance and safety.

Interior and Exterior Trim

High-temperature adhesives are also used in the interior and exterior trim of vehicles. They bond components such as dashboards, door panels, and body trim, providing a strong and durable attachment that can withstand temperature fluctuations and exposure to sunlight.

Electrical and Electronic Components

Modern vehicles are equipped with numerous electrical and electronic components that generate heat during operation. High-temperature adhesives are used to bond and encapsulate these components, ensuring their reliable performance and protection from thermal and mechanical stress.

Resilience of High-Temperature Adhesives in Automotive Applications

High-temperature adhesives are engineered to maintain their integrity and performance even when exposed to the intense heat generated by automotive components. Unlike conventional adhesives, which may dissipate heat and lose their bonding strength, high-temperature adhesives remain stable and effective. They do not disperse heat away from the component but rather withstand the thermal stress, ensuring that the bond remains secure and reliable. This characteristic is crucial for applications in high-temperature environments, such as engines and exhaust systems, where maintaining a strong, heat-resistant bond is essential for the component’s durability and performance.

Future Trends in High-Temperature Adhesives

The demand for high-temperature adhesives in automotive manufacturing is expected to grow, driven by advancements in materials science and evolving industry requirements. Here are some key trends shaping the future of high-temperature adhesives:

Development of Eco-Friendly Adhesives

There is a growing emphasis on sustainability and environmental responsibility in the automotive industry. Manufacturers are investing in the development of eco-friendly adhesives that reduce environmental impact without compromising performance. That includes the use of bio-based materials and low-VOC formulations.

Integration with Advanced Manufacturing Techniques

Advanced manufacturing techniques such as additive manufacturing (3D printing) and automation are being integrated into automotive production. High-temperature adhesives are being developed to be compatible with these techniques, enabling more efficient and precise bonding processes.

Improved Performance Characteristics

Ongoing research and development are focused on enhancing the performance characteristics of high-temperature adhesives. It includes improving their thermal stability, bond strength, and resistance to chemicals and environmental factors.

Customization for Specific Applications

Manufacturers are developing high-temperature adhesives tailored for specific automotive applications. This customization allows for optimized performance and reliability in different components and systems, addressing the unique challenges of each application.


High-temperature adhesives are revolutionizing automotive manufacturing by providing solutions that enhance durability, performance, and safety. Their ability to withstand extreme conditions makes them indispensable in the production of modern vehicles. As the automotive industry continues to evolve, the demand for advanced high-temperature adhesives will only grow, driven by the need for high-performance materials that meet stringent standards and sustainability goals.

By understanding the benefits and applications of high-temperature adhesives, automotive manufacturers can make informed decisions that lead to better-performing vehicles and satisfied customers. As technology advances and new challenges arise, high-temperature adhesives will remain at the forefront of innovation, shaping the future of automotive manufacturing.

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