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Help CenterCopper Expanded Metal Sheet 1.2mm Thickness 8mm Diamond Mesh for EMI Shielding Applications
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As a manufacturer from Anping Xinye Metal Wire Mesh Products Co., Ltd, we take pride in offering this premium Copper Expanded Metal Sheet with 1.2mm thickness and 8mm diamond mesh, specifically developed for EMI shielding applications. Located in Hengshui, Hebei, China, our factory spans 5,000–10,000 square meters and is staffed with 51–100 experienced workers, enabling us to deliver consistent quality and reliable supply for both domestic and international buyers. This copper mesh sheet is designed to provide effective electromagnetic interference shielding while retaining excellent strength, durability, and conductivity, making it a practical choice for a wide range of industrial and electronic applications.
Our expanded metal mesh is produced from high-purity copper coils through a precise slitting and expanding process, which creates a uniform diamond pattern without any welding or joint weakening. The open mesh structure allows airflow, visibility, and light transmission, while the continuous metal strands offer robust electrical conductivity and mechanical stability. With a 1.2mm thickness and a 8mm diamond opening, this sheet balances shielding effectiveness with ease of handling, fabrication, and installation. Whether you require large-format sheets or custom cut pieces, our production line can accommodate your specific needs.
Key Features
- Superior EMI shielding: The copper base material provides high electrical and thermal conductivity, effectively attenuating electromagnetic waves across a broad frequency range.
- Uniform diamond mesh: The 8mm aperture ensures consistent open area, suitable for ventilation, grounding, and signal management.
- Lightweight yet strong: Expanded metal construction offers a high strength-to-weight ratio, reducing structural load while maintaining structural integrity.
- Versatile formability: The sheet can be easily cut, bent, stamped, or welded to fit various enclosures, cabinets, gaskets, and shielding panels.
- Corrosion resistance: Copper naturally develops a protective patina over time; additional surface treatments are available upon request for enhanced durability in demanding environments.
- Eco-friendly and recyclable: Copper is a sustainable material that can be recycled repeatedly without losing its inherent electrical properties.
- Custom sizes and finishes: We offer customizable sheet dimensions, coil formats, and optional surface finishing to meet project-specific requirements.
Technical Specifications
| Material | Copper (high-purity) |
| Thickness | 1.2 mm (±0.05 mm tolerance) |
| Mesh Opening | 8 mm diamond (long way of diamond approx. 8 mm) |
| Strand Width | Approx. 1.5–2 mm (varies with expansion process) |
| Open Area | Approx. 60% (for ventilation and light passage) |
| Sheet Width | Up to 2,000 mm (custom widths available) |
| Sheet Length | Up to 3,000 mm (custom lengths available) |
| Surface Treatment | Mill finish, or options such as polishing, anti-tarnish coating (customizable) |
| Electrical Conductivity | High — suitable for grounding and EMC shielding |
Applications and Benefits
This copper expanded metal sheet is widely used in electronics, telecommunications, aerospace, medical equipment, and industrial systems where controlling electromagnetic interference is critical. Common applications include:
- EMI/RFI shielding panels for electronic enclosures and cabinets
- Grounding grids and conductive gaskets
- Shielding rooms and Faraday cages
- Air vents with EMI suppression for heating, ventilation, and cooling systems
- Protective covers for sensors, displays, and power supplies
- Architectural and industrial mesh systems requiring decorative yet functional metal panels
The open diamond mesh design enables efficient heat dissipation and airflow, which helps prevent overheating in sensitive electronic equipment. At the same time, the continuous copper network provides a reliable path for electrical charges, reducing the risk of electrostatic build-up and improving overall system performance. By integrating our expanded mesh into your design, you can achieve effective EMC compliance without sacrificing structural or operational efficiency.
Quality and Production Capability
Anping Xinye Metal Wire Mesh Products Co., Ltd is a specialized manufacturer with a modern production facility covering 5,000–10,000 square meters. Our team consists of 51–100 skilled employees who oversee every stage, from raw material selection to final packing. We control each batch carefully to ensure uniform mesh geometry, accurate thickness, and clean cut edges. Our location in Anping — a globally recognized wire mesh hub — gives us access to mature supply chains and experienced craftsmen.
We support flexible customization. If you need a specific sheet size, tighter width tolerance, or a particular finish for outdoor use, our engineering team can evaluate your drawings and provide a tailored solution. We also offer custom packaging options to protect the mesh during long-distance transportation, ensuring it arrives flat and undamaged.
Shipping and Market Reach
Our products are available for shipment from major Chinese ports such as Tianjin, Qingdao, and Shanghai, offering convenient logistics to customers around the world. We serve markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, and the domestic Chinese market. Our export experience enables us to handle international orders of various sizes with accurate documentation and competitive pricing.
Why Choose Our Copper Expanded Metal Sheet?
- Reliable conductivity: Copper is one of the preferred materials for electromagnetic shielding.
- Cost-effective: Expanded metal manufacturing wastes less material compared to perforated or woven alternatives.
- Easy fabrication: Can be sheared, drilled, and formed with standard metalworking tools.
- Consistent quality: Factory-direct production with regular in-house inspection.
- Flexible supply: Small prototypes and large bulk orders are both available.
Ordering Information
To request a quote, please provide your required sheet dimensions, quantity, and any special finishing or packaging preferences. Our sales team will respond promptly with detailed pricing and lead time. Technical consultation is also available to help you confirm whether the 1.2mm thickness and 8mm diamond mesh configuration is optimal for your shielding application.
Trust and Commitment
As a young and dynamic manufacturer established in 2020, Anping Xinye Metal Wire Mesh Products Co., Ltd is committed to building long-term partnerships through honest communication, high-quality output, and on-time delivery. Our team has gained practical expertise in producing a wide variety of metal meshes, and we continuously invest in production efficiency and quality management. While we do not claim unverified certifications, we follow strict internal quality control procedures to ensure that every shipment meets the agreed specifications.
By choosing our copper expanded metal sheet, you are selecting a product backed by a factory that understands the importance of consistency, precision, and service. We invite you to contact us with your requirements or questions — our technical staff is ready to assist with samples, drawings, and production planning. Let us help you achieve reliable EMI shielding performance for your next project.
Frequently Asked Questions (FAQ)
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Q: Does this copper expanded metal sheet really work for EMI shielding?
A: Yes. Copper is a highly conductive material, and the continuous diamond mesh forms a conductive barrier that helps attenuate electromagnetic interference. The actual shielding effectiveness depends on frequency, mesh opening size, material thickness, and installation method. Our 1.2mm thick / 8mm diamond mesh configuration is commonly used for enclosure vents, grounding, and general EMI suppression. -
Q: Can I get the sheet cut to custom dimensions?
A: Absolutely. We provide custom cutting in width and length according to your drawings or specified dimensions. For large orders, we can also discuss optimizing the expansion process to reduce waste and cost. -
Q: What is the difference between expanded metal and woven wire mesh for shielding?
A: Expanded metal is made by cutting and stretching a solid sheet, creating a rugged one-piece structure with no separate wires to fray or loosen. Woven mesh has a different flexibility and aperture control. Expanded metal offers better mechanical rigidity and is often easier to handle in panel applications. -
Q: Do you provide samples for testing?
A: Yes, small samples are available for testing and evaluation. Please contact us with your delivery address and the specific sample size you need. Sample costs and shipping fees can be discussed and are often refundable for bulk orders. -
Q: What surface treatments are available?
A: The standard product has a mill finish. We can also provide polishing, anti-tarnish coating, or further treatments customized for your environment. Since copper may oxidize over time, an optional protective coating is recommended for outdoor or high-humidity applications. -
Q: What is the minimum order quantity?
A: The MOQ depends on thickness, sheet size, and finishing options. For standard 1.2mm thickness, we can accept relatively small trial orders. Our sales team will confirm the exact MOQ based on your requirements. -
Q: How do you ensure the mesh stays flat during transportation?
A: We use sturdy pallets, protective interlayers, and secure strapping to prevent bending and scratching. For premium orders, custom crating is available upon request to guarantee flatness. -
Q: Can you help with installation or design guidance?
A: Yes. Our engineering-oriented staff can provide basic guidance on mounting, grounding connections, and compatibility with standard enclosure frames. For complex projects, we recommend consulting with an EMC engineer to validate shielding performance.
Contact Anping Xinye Metal Wire Mesh Products Co., Ltd today to receive a competitive quote for this 1.2mm thickness 8mm diamond mesh copper expanded metal sheet. Our team in Hengshui, Hebei is ready to support your EMI shielding needs with professional service and dependable delivery.
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