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China Flexible Laminated Copper Connectors with Nickel/Silver Foils - Leading Suppliers & Factory Solutions

Introducing our high-quality laminated copper foil connectors, available from trusted suppliers in China. These connectors can be customized with nickel or silver foils on both the upper and lower laminations, providing superior resistance to oxidation and corrosion. Unlike traditional plated types, our foil-covered connectors eliminate the risk of residual plating solution entrapment. Designed for compactness and soft-state forming, these connectors ensure easy installation even in narrow spaces. With multiple flexible configurations—including straight, offset, angled, and stepped options—they adapt seamlessly to various installation environments and movement states such as vibration, thermal expansion, and misalignment. No re-welding is necessary, thanks to our diffusion-welded ends that guarantee high weld quality. Our connectors are ideal for applications in new-energy vehicles, switchgear, transformers, and bus ducts, making them a top choice from leading manufacturers in the industry. Choose our connectors from a reliable factory in China for your next project!

    Technical Data
    Base material

    C11000 copper foil (≥99.95% Cu)

    Cover foils (upper & lower)

    Nickel foil or silver foil

    Single 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.

    Suitable for indoor/outdoor use in clean, non-corrosive atmospheres; avoid direct chemical exposure.

    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 is the base material used in these flexible connectors?

    We use premium C11000 copper foil with a purity of ≥99.95% Cu to guarantee superior electrical conductivity and flexibility.

    What cover foils are available and why are they used?

    Upper and lower cover laminations are made of nickel foil or silver foil. They protect the copper core against corrosion and oxidation without leaving any trapped plating solutions.

    What is the operating temperature range for this product?

    These flexible laminated copper connectors can operate reliably across an ambient temperature range of -40°C to +200°C.

    Can connector shapes and soft-state forming positions be customized?

    Yes. We provide straight, offset, angled, and stepped profiles. The precise forming/bending positions can be custom engineered to fit tight spatial constraints.

    What is the expected service life under standard operating conditions?

    Under normal operating conditions, the expected service life exceeds 20 years with minimal routine visual maintenance.

    What information should be supplied when requesting a custom quote?

    Please provide overall dimensions (L × W × T), connector shape, hole specifications, foil thickness, cross-sectional area or current rating, and a 2D drawing (PDF/DWG).