Coated Components

Engineered protection, enhanced performance, and sustainable surface treatment solutions for EV and demanding industries.

We lead the way in delivering advanced coated components, serving the rapidly evolving electrification market. This can support a diverse range of industrial sectors, including automotive, heavy goods and energy storage.

Our commitment to innovation in coated components is unwavering. We are constantly exploring new coating technologies, seeking more sustainable application methods, and striving to deliver exceptional value for our partners.

Surface coatings provide an extra layer that is critical for performance, longevity, and ultimately, the success of components. This is why every coated part we deliver embodies our dedication to uncompromising quality and superior protection. Our processes ensure your parts perform in the most challenging environments.

Surface Treatments

With our expertise in surface treatments, we ensure that each coated component is engineered for performance and longevity. We specialise in a range of advanced coating processes, ensuring the parts that we produce receive the optimal protection and functionality required for the most demanding of applications.

We hold expertise in dielectric powder coating, UV cured dielectric coating and the application of PET (Polyethylene Terephthalate) , which offer superior electrical insulation properties.

  • Our PET application process is especially innovative, achieving one of the highest production rates in its class, ensuring efficient, high-volume output without compromising on quality.
  • Our dielectric powder coating delivers high-performance electrical insulation, exceptional durability, and consistent coverage—ideal for high-volume applications requiring precision, protection, and process efficiency.
  • UV coating (UV cured coating) technology delivers fast-curing, high-gloss protection with excellent chemical and abrasion resistance—ideal for enhancing surface durability, cleanliness, and visual quality in high-throughput environments.
  • EPD (Electrophoretic Disposition) Coating, also known as e-coating, the EPD coating process provides exceptional anti-corrosion protection, crucial for a wide range of industrial components, especially within automotive parts, where durability in harsh environments is absolutely critical.

The benefits of these advanced surface treatments are clear and impactful. Our dielectric coated components are specifically designed to provide robust electrical insulation, preventing short circuits and enhancing the safety and reliability of electrical assemblies. The anticorrosion qualities of EPD coatings provide a uniform, durable barrier against rust and environmental wear.

Beyond protection, our specialist coatings also offer significant cosmetic benefits, providing a consistent, high quality finish that enhances the aesthetic appeal of the final product. Advanced surface treatments extend component lifespan, help reduce maintenance needs, and ultimately, deliver the best value and performance of engineered parts for our valued partners.

To ensure uncompromising quality and consistency in high volume surface treatment processes, we utilise rigorous inspection protocols.

  • Holiday testing – to meticulously detect even microscopic flaws in non-conductive coatings like powder coat, PET coating, and EPD coating.
  • Hipot (High Potential) testing – assessing the overall insulation strength of coated components by applying up to 2.5k volts and precisely measuring any leakage current.

Through comprehensive testing, we ensure that our insulative coatings are absolutely flawless, preventing unintended electrical conductivity and guaranteeing the highest levels of safety and reliability.

EV Compatibility

In the rapidly evolving Electric Vehicle market, the demands on every single component are extremely high. Our advanced surface treatments, combined with our exacting inspection protocols, ensure our coated components are expertly engineered for EV compatibility.

For metal parts frequently fitting in close proximity to sensitive battery systems, Hipot testing is paramount. By rigorously applying high voltage tests, we meticulously ensure that insulative coatings are without any microscopic flaws, preventing any unintended electrical conductivity from the battery. This attention to detail guarantees the highest levels of safety, integrity and reliability for electric vehicle applications, giving our partners complete confidence in every single component.

Are you in search of superior component protection? Get in touch with our coating experts to discuss your performance and anticorrosion needs.

Locations

Sertec's strategic positioning within europe and our global partnerships enable us to best support our customers across the world.

Sertec Auto Structures Wincaster House

11 Gorsey Ln, Coleshill, Birmingham B46 1JU, United Kingdom

Sertec Auto Structures Heavy Stampings

11 Gorsey Ln, Coleshill, Birmingham B46 1JU, United Kingdom

Sertec Aluminium Structures

Redfern Park Way, Birmingham B11 2BF, United Kingdom

Sertec Auto Structures Hungary

Ászár, Köztársaság u. 15/A, 2881 Hungary

Sertec China

Room 2102, Diwang Plaza Commercial Centre office Building Chang Qing South Road NO.303, Chang'An, Town, DONGGUAN CITY, GUANGDONG, CHINA

Capabilities

Pressings & assembly

Coated components

EV solutions

Supply chain & logistics

Robotics & digital manufacturing

Tooling manufacture

Innovation Stories

From Career Search to Continuous Improvement Engineer Apprentice

From Apprenticeship to Sertec’s Youngest Project Manager

From Early Enthusiasm to Trainee CAD Engineer

From Engineering Apprentice to Project Manager

Localisation in Action

Investment In Action

Diversification in Action

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