RFI Shielding with Copper Wire Mesh: Protecting Electronics from Electromagnetic Interference (EMI)

Radio frequency interference (RFI) shielding is crucial for protecting electronic devices and systems from damaging electromagnetic interference (EMI). Among the most effective materials used for shielding against electromagnetic waves is metal mesh, especially copper wire cloth.

While EMI is typically produced by large electronic equipment and can affect smaller devices, even small electronics have the potential to emit waves that interfere with other systems. This interference can result in various malfunctions, including:

• Disruption of radio signals within a device.

• Internally generated emissions that hinder proper functionality.

• External ambient interference affecting operational efficiency.

To protect valuable electronics and maintain their proper functioning, protective metal cloth is essential. One of the oldest examples of EMI protection is the Faraday cage, created by Michael Faraday in 1836. This conductive enclosure blocks electromagnetic fields, offering early shielding technology.

Modern RFI Shielding Applications

Today, RFI shielding is used in a variety of electronic equipment, including but not limited to:

• Hand-held computers and smart meters

• Military technology, including stealth systems and battlefield devices

• Telecommunications systems

• Testing chambers and computer labs

• GPS navigation systems

• Medical equipment, such as MRI machines

• Recording studios and ground planes

Copper Wire Mesh for RFI Shielding

Copper mesh used for RFI shielding is optical, meaning its fine weave allows light to pass through, making it ideal for applications like shielded windows. This mesh is also versatile for a range of other uses.

Copper Wire Mesh Specifications

Dashang. offers RFI wire mesh made from over 99% commercially pure woven copper, adhering to ANSI/AWCI-01-1992 quality standards. The mesh features a super-fine weave, with variations including 16, 22, 100, 145, or 200 squares per linear inch.

RFI Copper Wire Shielding Mesh from Dashang.

As the preferred supplier of industrial-grade metal wire mesh materials, Dashang. specializes in providing high-quality metal fabric solutions for a variety of industrial applications, particularly in RFI shielding materials. With years of professional expertise, we are recognized as experts in the field of RFI copper wire mesh.

Our copper mesh is strong yet flexible, making it ideal for a wide range of applications. As an efficient RFI shielding material, our copper mesh effectively prevents electromagnetic interference while offering fire-resistant and corrosion-resistant properties, ensuring long-term stability in complex environments.

Product Features:

• Superior Performance: Offers exceptional electromagnetic interference shielding to protect electronic devices from disturbances.

• Durability: The copper mesh is strong and flexible, maintaining stable performance in high-pressure and complex industrial environments.

• Fire and Corrosion Resistance: Copper material naturally resists fire and corrosion, making it suitable for harsh conditions.

• Various Specifications: Available in rolls, sheets, discs, and sample formats, with customizable sizes and quantities.

• Professional Services: We offer precise internal services, including measuring, disc sizing, laser cutting, slitting, and cleaning to meet your specific needs.

Whether you require standard sizes or customized solutions, Dashang. can provide you with high-quality RFI shielding mesh. Contact us today to request your sample color swatch or get a quote for your custom order!