China 48mm Copper Foil Wire Braided Mesh Tube Manufacturer, Supplier, Factory
Engineered for demanding electromagnetic shielding and grounding applications, the 48mm copper foil wire braided mesh tube delivers exceptional conductivity and flexibility. This robust solution integrates tinned copper foil strands with a high-density braided construction, ensuring optimal signal integrity across automotive, aerospace, and industrial power systems. While our portfolio includes compact diameters for tight installations—such as the 41mm Copper Foil Wire Braided Mesh Tube, 42mm Copper Foil Wire Braided Mesh Tube, 43mm Copper Foil Wire Braided Mesh Tube, and 44mm Copper Foil Wire Braided Mesh Tube—the 48mm variant stands out for its larger cross-section, capable of managing higher current loads and broader cable bundles. The braid geometry is precisely controlled to maintain a balance between mechanical durability and low DC resistance, while the copper foil construction enhances surface area for superior heat dissipation and consistent contact impedance even after repeated flexing cycles.
The 48mm Copper Foil Wire Braided Mesh Tube is fabricated from oxygen-free, high-conductivity copper foil that is strand-braided onto a removable core, producing a seamless tubular shield. This design allows easy installation over harnesses, connectors, and irregular shapes without sacrificing coverage density. It routinely achieves shielding effectiveness above 60 dB across frequencies from 30 MHz to 1 GHz, making it ideal for EMI/RFI mitigation in electric vehicle drivetrains, switchgear cabinets, and server racks. The braid’s open weave permits airflow while blocking radiated noise, and the tinned surface provides excellent resistance to oxidation and galvanic corrosion in humid or marine environments. End users can cut the tube to length cleanly, and the mesh structure resists unraveling when handled properly, reducing installation waste and time on the production floor.
Core Technical Parameters
- Nominal inner diameter: 48 mm (expands up to 55 mm for ease of insertion)
- Material: Tinned oxygen-free copper foil, 0.10 × 0.80 mm strand cross-section
- Braid pattern: 24-carrier, 2-over/2-under interlaced construction
- Coverage density: ≥90% optical coverage at relaxed state
- DC resistance: ≤1.5 mΩ/m at 20°C
- Continuous operating temperature: -55°C to +200°C
- Flame retardancy: Self-extinguishing per UL 94 V-0 (copper foil only, no additional coating)
- Standard coil length: 100 meters, with custom cut lengths available
Detailed Dimensional and Performance Specifications
| Parameter | Value |
|---|---|
| Inner diameter (relaxed) | 48 mm ± 1 mm |
| Wall thickness | 1.2 mm ± 0.1 mm |
| Weight per meter | Approx. 210 g |
| Tensile strength (axial) | >500 N |
| Current-carrying capacity | 400 A (30°C rise, free air) |
| Shielding effectiveness | 62 dB (100 MHz), measured per IEC 62153-4-3 |
| Water absorption | <0.5% by mass after 24 h immersion |
| Bend radius (minimum) | 75 mm (static), 120 mm (dynamic) |
Standards Compliance and Environmental Performance
The product meets RoHS, REACH, and CA Proposition 65 requirements. It is suitable for use in applications requiring compliance with EN 45545-2 for railway fire safety and IEC 61373 for shock and vibration. The tinned coating withstands 48-hour salt spray testing per ASTM B117 with no visible red rust, confirming long-term reliability in offshore installations and coastal infrastructure. Whether integrated into a harness assembly or retrofitted onto existing cable runs, the 48mm Copper Foil Wire Braided Mesh Tube provides a durable, low-maintenance shielding solution that engineers trust for mission-critical circuits.
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