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Flexible Laminated Copper Connectors with Nickel or Silver Foils - China Suppliers and Factory Solutions

Introducing our premium laminated copper foil connectors, designed to meet the highest standards of performance and reliability. Available from trusted China suppliers and manufactured in our state-of-the-art factory, these connectors can be customized with nickel or silver foils on both the upper and lower laminations. This added layer not only enhances resistance to oxidation and corrosion but also mitigates the risks associated with residual plating solution entrapment, a common concern in plated designs. Our connectors feature a compact design with soft-state forming for effortless installation in tight spaces. With multiple flexible configurations—including straight, offset, angled, and stepped designs—our connectors adapt seamlessly to various installation requirements and movement scenarios such as vibration, thermal expansion, and misalignment. You’ll benefit from our diffusion-welded ends that guarantee superior weld quality without the need for re-welding. These laminated copper foil connectors are perfect for applications in new-energy vehicles, switchgear, transformers, and bus ducts. Choose our products for unparalleled quality and reliability from leading suppliers in China.

    Technical Data

    Base material: C11000 copper foil (≥99.95% Cu)
    Cover foils (upper & lower laminations): nickel foil or silver foil
    Single nickel or silver foil thickness: 0.05mm, 0.10mm, 0.20mm
    Cross sectional area: 1.5mm² – 5000mm²

    Product Display

    Product Advantages

    Superior corrosion & oxidation resistance: Nickel or silver cover foils protect the copper core without any trapped plating solution.
    No re-welding & high weld quality: Molecular diffusion welding on both ends creates a strong, low-resistance joint.
    Compact & space-saving: Soft-state forming fits into small installation spaces; various flexible part designs (straight, offset, angled, stepped) match different equipment layouts and movement states (vibration, thermal expansion, misalignment).
    Easy installation: The flexible section reduces terminal stress; no special tools required.
    Forming (soft-state) position customizable: The exact bending location of the flexible area can be tailored to unique spatial constraints.

    Operating Conditions

    Temperature range: -40°C to +200°C.
    Atmosphere: Suitable for indoor/outdoor use in clean, non-corrosive atmospheres; avoid direct chemical exposure.
    Mechanical resistance: Withstands high vibration (EVs, rail transit) and frequent thermal cycling.
    Current capacity: Depends on cross-sectional area & ambient temperature, engineering consultation recommended.

    Maintenance & Service Life

    Maintenance: Periodic visual check for damage/corrosion; clean with dry air or soft brush.
    Service life: >20 years under normal conditions. Frequent flexing reduces life.

    After-Sales Service

    Free technical support: engineering consultation, drawings...
    Custom orders: lead time & quality report provided before shipment

    Ordering Checklist

    Before ordering, please confirm:

    Overall dimensions (L × W × T)
    Connector shape (straight/offset/angled/stepped) and flexible part position
    Hole diameter (d), quantity, and type
    Single foil thickness (default 0.10mm)
    Surface finish (no plating / tin / nickel / silver)
    Cross-sectional area or rated current
    Operating conditions (temperature, vibration, movement)
    Quantity and 2D drawing (PDF/DWG)

    Contact Us

    Zhejiang Bridgold Copper Tech Co., Ltd. is a professional leader China copper braided shunt, copper braided ground strap, copper wire connector, Copper Busbar, Copper Foil Laminated Connectors manufacturers and suppliers with high quality and low price. Welcome to contact us.

    Frequently Asked Questions (FAQ)

    What raw materials are used for these flexible connectors?
    The base core material is high-conductivity C11000 copper foil (≥99.95% Cu), laminated with nickel or silver cover foils on the upper and lower outer layers.
    What is the standard operating temperature range?
    The products operate reliably across a broad temperature range of -40°C to +200°C in clean, non-corrosive indoor and outdoor environments.
    Can the connector shapes and soft-state bending positions be customized?
    Yes, soft-state forming positions are fully customizable. Flexible sections can be designed as straight, offset, angled, or stepped configurations to match specific spatial constraints.
    What welding technology is utilized for the terminal connections?
    Molecular diffusion welding is applied at both ends to create a seamless, high-strength joint with exceptionally low electrical resistance without secondary re-welding.
    What is the expected service life and maintenance requirement?
    The estimated service life is over 20 years under normal operating conditions. Routine maintenance requires only periodic visual inspections and cleaning with dry air or a soft brush.
    What details are needed to request a custom quote or order?
    Please provide overall dimensions (L×W×T), connector shape, hole specifications, foil thickness, surface finish, cross-sectional area or current requirements, along with a 2D PDF/DWG drawing.