Copper is an exceptional material for both perforated and woven wire mesh, offering benefits like corrosion resistance, electrical and thermal conductivity, and aesthetic appeal.
These properties make it suitable for a wide range of applications, from industrial filtration and electromagnetic shielding to architectural and decorative uses. While its higher cost and weight are considered, the advantages often outweigh these factors, especially in applications where performance and durability are paramount.
Copper can also be used in applications to deter rodents, rats do not like copper as it causes discomfort and pain to their teeth and gums. It is also a unique material as it can be used for RFI (Radio Frequency Interference) in 2.5mm apertures (a fine mesh).
Copper wire mesh is robust and performs well in various atmospheres and environments. While it is softer compared to stainless steel wire mesh, it offers good resistance to atmospheric corrosion. However, it can be degraded by oxidizing agents like nitric acid, ferric chloride, cyanides, and ammonia-based compounds.

Characteristics of Copper General overview for Perforated Metal and Woven Wire Mesh

Corrosion Resistance

Natural Patina: Copper develops a greenish patina over time when exposed to the elements. This patina acts as a protective layer that resists further corrosion.
Durability: This makes copper exceptionally durable in various environments, including marine and industrial settings.

Electrical Conductivity

Superior Conductivity: Copper is known for its excellent electrical conductivity, second only to silver, making it ideal for electrical and electronic applications.

Thermal Conductivity

Efficient Heat Transfer: Copper’s high thermal conductivity makes it suitable for applications involving heat exchange or dissipation.

Malleability and Ductility

Easy to Form: Copper can be easily drawn into thin wires or formed into intricate patterns without breaking, which is advantageous for woven wire mesh.

Aesthetic Appeal

Distinctive Appearance: The reddish-brown color of copper, along with its ability to develop a patina, makes it attractive for architectural and decorative uses.

Applications of Perforated Copper

Architectural Elements: Perforated copper is used in facades, screens, and panels to create visually appealing architectural features. The material’s ability to age beautifully and resist corrosion makes it suitable for both exterior and interior applications.
Heat Exchangers: In HVAC systems, perforated copper can be used in heat exchangers to enhance heat transfer efficiency while allowing for effective airflow.
Electronics and Electrical Components: Copper’s excellent conductivity makes it a choice material for perforated components in electrical assemblies, including heat sinks and grounding elements.
Decorative and Functional Panels: Perforated copper is used in various decorative applications, including custom grilles, lighting fixtures, and decorative partitions. Its aesthetic and functional properties can add both beauty and utility to a design.

Considerations for using perforated copper

Cost: Copper is generally more expensive than other metals like steel or aluminum. The cost factor needs to be weighed against the benefits it provides in specific applications.
Maintenance: While copper is durable, its appearance can change over time due to oxidation. In some applications, this patina might be desirable, but in others, regular cleaning or sealing might be necessary to maintain the original look.
Workability: While copper is malleable, perforating requires precise control to avoid issues like warping or distortion. Good perforators can advise on issues and limitations to avoid problems.

Applications of Copper Woven Wire Mesh:

Decorative and Artistic Uses: Copper wire’s unique properties make it an excellent choice for a multitude of decorative applications, its versatility and aesthetic qualities ensure that it remains popular for decorative and artistic uses.
Its flexible nature and attractive finish make it suitable for creative designs. Used in art installations, architectural features, and decorative screens or partitions.
Art and Sculptures: Artists use copper wire to create detailed sculptures and three-dimensional art pieces, leveraging its flexibility and vibrant color. Copper wire can be incorporated into mixed media projects, adding texture and a metallic sheen.
Gardening and Landscaping: Garden art and design for copper wire is used to create garden sculptures, plant supports, and decorative trellises, which develop a charming patina over time.
Electromagnetic Shielding: Woven Wire Copper is often used in the construction of electromagnetic shielding materials. It is effective at blocking or attenuating electromagnetic interference (EMI) and radio frequency interference (RFI). Found in enclosures for sensitive electronic equipment, and other devices where EMI/RFI control is critical. The diameter of the copper wire used in weaving can vary, but common gauges for shielding range from 0.1 mm to 2 mm. The mesh size (or aperture) can range from very fine (less than 1 mm) to coarser patterns (several millimeters). Finer mesh sizes are generally more effective at blocking higher frequency signals, whereas coarser meshes may be used for lower frequencies.