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Adhesives for Printed Circuit Board Assembly

07 Jul 2026



As electronic devices become smaller, faster, and more complex, manufacturers are under increasing pressure to improve reliability while maintaining efficient production processes. From consumer electronics and industrial controls to aerospace systems and medical devices, printed circuit boards (PCBs) serve as the foundation of modern electronics.

One key component of successful PCB manufacturing is selecting the right PCB adhesive. These specialized materials help secure components, protect assemblies from environmental stress, and improve overall product durability.


Why Adhesives Are Used in PCB Assembly

While soldering remains the primary method for creating electrical connections on circuit boards, adhesives play an important supporting role throughout the assembly process.

A quality circuit board adhesive can help:

- Secure surface-mount components during assembly
- Improve resistance to vibration and shock
- Protect delicate components from movement
- Support automated manufacturing processes
- Increase long-term product reliability
- Reduce mechanical stress on solder joints

As electronics become more compact, adhesive technologies are increasingly important for maintaining performance and durability.


Common PCB Adhesive Applications

Surface Mount Component Retention

Adhesives are often used to temporarily or permanently secure components during assembly, particularly in automated manufacturing environments. Proper component retention helps ensure accurate placement and reduces the risk of movement during production.

Vibration and Shock Protection

Electronics used in aerospace, automotive, military, and industrial applications are frequently exposed to vibration and mechanical stress. Adhesives help stabilize components and minimize the risk of failure caused by movement or impact.

Wire and Connector Bonding

Many assemblies require the attachment of wires, connectors, sensors, or other auxiliary components. An electronics bonding adhesive can provide reliable mechanical support while simplifying assembly.

Environmental Protection

Some adhesive materials help shield components from moisture, dust, and contaminants that could affect performance over time.

Key Properties to Consider

Selecting the right adhesive depends on the specific application and operating environment.

Important factors include:

Thermal Stability

Electronic assemblies generate heat during operation. Adhesives must maintain their strength and performance across expected temperature ranges.

Electrical Compatibility

Materials should be compatible with the electrical requirements of the application and should not interfere with circuit performance.

Fast Cure Speed

High-volume electronics manufacturing often benefits from adhesives that cure quickly and support automated production processes.

Environmental Resistance

Many electronic devices operate in challenging environments where moisture, chemicals, and temperature fluctuations are present. Adhesives should maintain their performance despite these conditions.


Adhesive Technologies for Electronics Manufacturing

Different applications may require different adhesive technologies.

For electronics manufacturers, Hernon offers a variety of solutions including:

- UV Curing Adhesives
- Instant Bond Adhesives
- Structural Adhesives
- Sealants
- Gasketing

These technologies can support a wide range of PCB assembly, component retention, and electronics manufacturing applications.


Partner with Hernon for PCB Assembly Solutions

The right PCB adhesive can improve assembly efficiency, strengthen component retention, and enhance the long-term reliability of electronic devices. Whether you're manufacturing industrial controls, aerospace electronics, medical devices, or consumer products, selecting the appropriate bonding technology is essential to product performance.

Hernon provides advanced adhesive and sealing solutions designed to meet the evolving demands of electronics manufacturing. Our team can help identify the ideal circuit board adhesive or electronics bonding adhesive for your specific application.


Contact Hernon today to learn more about our adhesive solutions for printed circuit board assembly and electronics manufacturing.

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