EMI Shielding Materials: A Breakdown in EMI & RFI


The rapid advancement in electronic technology has escalated the need for effective electromagnetic interference (EMI) and radio frequency interference (RFI) shielding solutions. 


This blog post discusses the key features and advantages of EMI shielding materials for plastic enclosures in electronic devices. We’ll explore how an ISO-certified EMI and RFI shielding solutions partner can play a pivotal role in enhancing the performance and reliability of electronic products across various industries.

Key Features of EMI RFI Shielding Materials

A critical aspect of EMI and RFI shielding is the material used. Materials such as conductive metals, metalized fabrics, and conductive polymers are popular for their effective shielding properties. For plastic enclosures, EMI RFI shielding materials that offer a blend of flexibility and conductivity are preferred to ensure a snug fit without compromising on shield effectiveness.

Shielding Effectiveness

The effectiveness of shielding materials is measured in decibels (dB). High-quality shielding materials offer high dB ratings, ensuring maximum attenuation of unwanted electromagnetic and radio frequencies. This is crucial in sensitive electronic applications.

Durability and Reliability

These materials must withstand various environmental factors like temperature fluctuations, humidity, and physical stress. Durability ensures the long-term reliability of the shielding, which is essential for electronic devices that require consistent performance over time.

Compatibility with Manufacturing Processes

The materials should be easily integrable into existing manufacturing processes for plastic enclosures. This includes compatibility with injection molding, thermoforming, and other fabrication techniques used in electronic enclosure production.


While performance is critical, cost-effectiveness remains a key consideration. Materials that offer superior shielding at a reasonable cost are highly sought after, balancing quality with budget constraints.

Value Propositions for Businesses in Relevant Industries

Enhanced Device Performance: Superior EMI RFI shielding materials ensure that electronic devices function without interference, crucial in industries like aerospace, medical, military, and automotive.

Compliance with Standards

As an ISO-certified shielding maker, adherence to international standards is guaranteed. This compliance is vital for businesses in industries with stringent regulatory requirements. Being ISO-certified means being part of the ISO family.

Customization and Flexibility

The ability to tailor shielding solutions to specific needs is a significant value addition. Whether it’s for small, intricate components or large enclosures, customization ensures optimal fit and performance.

Technical Support and Expertise

Partnering with an experienced shielding solutions provider means access to technical expertise and support. This is invaluable in troubleshooting, design optimization, and ensuring that the end product meets the required specifications.

Long-term Cost Savings

By investing in quality shielding materials, businesses can avoid the costs associated with device failures and warranty claims. This long-term cost saving is a compelling reason for choosing high-standard shielding solutions.

The Essence of ISO 9001:2015 Certification:

When a company achieves ISO 9001:2015 certification, it signifies a commitment to excellence in quality management systems. This standard shows that a company is committed to consistently providing products and services that meet customer and regulatory needs. In the context of EMI shielding, this certification holds substantial significance.

Quality Management Excellence

ISO 9001:2015 sets the criteria for a quality management system. It is based on several quality management principles, including a strong customer focus, the involvement of high-level company management, a process approach, and continuous improvement. ISO certification indicates that a company’s processes have undergone a thorough review. Additionally, it confirms that these processes meet or exceed the rigorous standards set by ISO.

Commitment to Superior Quality

This certification is a clear indication that a business goes the extra mile to provide superior products or services to its customers. EMI shielding requires more than just following rules. Accuracy and dependability are especially crucial in this field.

Consumer Assurance

For the consumer, especially in highly specialized sectors like aerospace, defense, and medical equipment, the ISO 9001:2015 certification offers assurance. It shows that you’re not just buying something; you’re investing in tested and proven quality. This certification means peace of mind, knowing that the EMI shielding solutions you’re integrating into your products are of the highest standard.

Commitment to Quality: ISO

What does the achievement of ISO 9001:2015 certification mean for shielding applications? This is not just an accomplishment – it’s a promise to customers that reflects a dedication to adhering to all fundamental standards for EMI shielding. Helping to underscore commitment to quality, reliability, and customer satisfaction.

ISO 9001:2015 certification ensures a systematic approach to quality management, which means every product delivered meets the same high standards.

By choosing an ISO-certified partner, businesses ensure that their EMI shielding requirements are met with products and services that are not only compliant with global standards but also tailored to exceed customer expectations. This leads to enhanced satisfaction and trust in the products they offer to their customers.

ISO 9001:2015 is not just about maintaining standards; it’s about continually improving them, too. Commitment to this principle means an always-on opening to looking for ways to innovate and enhance EMI shielding solutions, ensuring that partners are at the forefront of technological advancements. Integral for EMI RFI shielding materials solutions and providers. 

The ISO 9001:2015 certification is internationally recognized. This means that partners, regardless of their global location, can be confident in the quality and reliability of materials solutions, facilitating smoother international operations and compliance.

Part of the ISO certification involves identifying and managing potential risks. This proactive approach ensures that any challenges are addressed promptly and efficiently, minimizing disruptions and maintaining the integrity of the supply chain.


EMI RFI shielding materials are integral to the performance and reliability of electronic devices, especially those with plastic enclosures. The key features of these materials, combined with the value propositions offered by an ISO-certified partner, underscore their importance in today’s technology-driven industries.

ISO 9001:2015 certification is more than just a compliance achievement; it is a cornerstone of commitment to providing top-tier EMI shielding solutions. By understanding these aspects, businesses can make informed decisions that not only enhance their product quality but also adhere to industry standards, ensuring success in a competitive market.

At Deep Coat, our partners can rest assured that our products and services are not only compliant with international standards but are also continuously evolving to meet the dynamic needs of the industry. We invite you to experience the difference, where quality, innovation, and customer satisfaction are not just goals but guarantees.

For more information on our ISO-certified EMI and RFI shielding solutions, or to discuss how we can assist in elevating the quality and reliability of your products, contact us today.