Key-tech Electronic Systems
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Enhancing Electronics Reliability: Key-Tech's Conformal Coating Service

21 May 2025

In today's demanding environments, electronic assemblies must withstand various challenges, from moisture and dust to chemical exposure and mechanical stress. At Key-Tech Electronic Systems, we recognize the critical role of protecting printed circuit boards (PCBs) to ensure optimal performance and longevity. Our Conformal Coating service is designed to meet this need, providing a protective layer that safeguards electronic components against environmental hazards.

What is Conformal Coating?

Conformal coating involves applying a thin, non-conductive polymer film to PCBs, typically ranging from 25μm to 150μm in thickness. This coating acts as a barrier, protecting the circuitry from moisture, dust, chemicals, and temperature extremes, thereby enhancing the durability and reliability of electronic assemblies.

Benefits of Conformal Coating

  1. Environmental Protection: Shields PCBs from humidity, dust, and chemical contaminants, reducing the risk of corrosion and electrical failures.
  2. Enhanced Reliability: Improves the mechanical strength of components and solder joints, extending the operational life of electronic devices.
  3. Space Optimization: Allows for tighter component spacing on PCBs by preventing electrical shorts, facilitating more compact designs.
  4. Cost Efficiency: Reduces maintenance and replacement costs by minimizing the likelihood of environmental damage to electronic assemblies.
  5. Security Enhancement: Opaque coatings can conceal sensitive circuit designs, protecting intellectual property and preventing reverse engineering.

Our Conformal Coating Capabilities

At Key-Tech, we offer both manual and automated conformal coating processes, tailored to meet specific project requirements. Our skilled operators utilize advanced Nordson equipment to ensure precise application. We also provide masking services for designated components and conduct ultraviolet (UV) inspections to verify coating integrity.

The Evolution of Our Service

Recognizing the growing demand for durable and reliable electronic assemblies across industries such as medical, oil & gas, and transportation, we integrated conformal coating into our service offerings. This addition aligns with our commitment to delivering comprehensive electronic manufacturing solutions that meet the highest quality standards.


For more information about our Conformal Coating service and how it can benefit your electronic assemblies, please visit our website: www.key-tech.co.uk.

#KeyTech #ConformalCoating #ElectronicsManufacturing #PCBProtection #ReliabilityEngineering

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