China 47mm Copper Foil Wire Braided Mesh Tube Manufacturer, Supplier, Factory

The 47mm Copper Foil Wire Braided Mesh Tube represents a pinnacle in flat copper braid technology, meticulously engineered for high-demand electromagnetic shielding and grounding applications. Its construction utilizes ultra-thin copper foil strands, tightly woven into a flexible mesh that adapts seamlessly to irregular surfaces and dynamic movements. This unique design delivers superior performance compared to traditional round wire braids, as the foil configuration provides greater surface area for current flow and effective skin-effect conduction at high frequencies. Within our extensive inventory, the 47mm variant sits alongside complementary diameters to cover every installation need. For compact equipment where space is at a premium, the 41mm Copper Foil Wire Braided Mesh Tube ensures a snug fit without compromising shielding. Slightly larger setups benefit from the 42mm Copper Foil Wire Braided Mesh Tube, which balances flexibility and conductivity. As requirements scale, the 43mm Copper Foil Wire Braided Mesh Tube and 44mm Copper Foil Wire Braided Mesh Tube offer incremental sizing that integrates flawlessly with the 47mm system. All diameters share the same premium tinned copper substrate, guaranteeing consistent electrical characteristics across your entire project. The braided structure not only dissipates EMI/RFI noise efficiently but also provides robust mechanical protection against abrasion and cut-through, extending the service life of cable assemblies. Thanks to a high braid angle and controlled tension, the tube maintains dimensional stability even under constant flexing, making it ideal for robotic arms, wind turbines, and railway systems where vibration is relentless. Furthermore, the open weave design facilitates heat dissipation, preventing hot spots and maintaining safe operating temperatures in power distribution units. Users can expect a reliable ground path that meets stringent IEC and MIL-STD requirements, ensuring compliance in regulated industries.

The 47mm Copper Foil Wire Braided Mesh Tube is the go-to solution when wide coverage and maximum current handling are non-negotiable. Its nominal 47mm width, precision manufactured to tight tolerances, allows you to wrap or shield large conductor bundles, busbars, or irregularly shaped components with ease. The tinned copper foil is inherently resistant to oxidation, meaning it retains its bright, conductive surface even in marine or high-humidity environments. During installation, you can flatten the tube to cover broad areas or shape it into a cylindrical sleeve; this versatility eliminates the need for multiple product types. For permanent connections, the ends can be terminated with copper lugs, crimps, or soldered using standard tin-lead or lead-free techniques, and the braid does not unravel when cut at a slight angle. Beyond grounding and shielding, this tube often serves as a flexible bonding jumper in solar panel arrays, where its low DC resistance and high ampacity ensure minimal voltage drop. It also absorbs thermal expansion stresses in bus duct systems, reducing the risk of fatigue fractures. Electrical test results consistently show a DC resistance of less than 0.5 mΩ per meter, and shielding effectiveness exceeding 55 dB across frequencies from 100 kHz to 1 GHz, confirming its capability against both conducted and radiated emissions.

Key Advantages

• Constructed from 99.9% pure tinned copper foil for exceptional conductivity
• Braided architecture offers 360° shielding with high flexibility
• Surface area enhanced by flat foil strands improves RF skin conduction
• 47mm width accommodates large cable bundles and wide bonding surfaces
• Resists corrosion from salt spray, industrial acids, and UV exposure
• Maintains mechanical integrity after 50,000 flex cycles (tested at ±90°)
• RoHS, REACH, and CE compliant; UL 94 V-0 rated flammability
• Available in continuous 50-meter and 100-meter rolls, with optional custom lengths and printed markers

Detailed Specifications

Common Applications

• EMI/RFI shielding for power and signal cables in medical imaging devices
• Flexible ground straps for telecommunications racks and server cabinets
• Bonding jumpers in railway signaling and track circuit assemblies
• Lightning protection down-conductor braiding on wind turbine blades
• Grounding sleeves for electric vehicle (EV) high-voltage harnesses
• Shielding wraps for aerospace mil-spec connectors and backshells
• Anti-static bridging in explosive atmosphere equipment (ATEX zones)

Quality Assurance

Every 47mm Copper Foil Wire Braided Mesh Tube is subjected to rigorous quality control before shipment. Incoming copper foil is verified for purity and temper per ASTM B33, while dimensional checks ensure the braid stays within the specified 47mm ±0.5mm tolerance. Electrical continuity and DC resistance are tested on 100% of produced rolls using a four-wire Kelvin method. Samples from each batch undergo a 96-hour salt spray test in accordance with ASTM B117 to confirm corrosion resistance. Shielding effectiveness is validated using a coaxial transmission line setup from 100 kHz to 1 GHz; any lot failing to meet the 55 dB minimum threshold is rejected. Packaging is dust-free and includes desiccant, ensuring the tube arrives in pristine condition ready for immediate integration into your critical systems.