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China Polyimide Film Covered Wire Suppliers - High-Quality Corrosion-Resistant Wire from Trusted Factory

Polyimide film covered wire is a high-quality winding wire produced by wrapping 2-3 layers of polyimide film insulation around a conductor, typically made from oxygen-free copper or aluminum rods. These rods are carefully extruded or drawn through specific dies and then annealed for optimal performance. This specialized wire is renowned for its excellent voltage resistance, even with a relatively thin insulation layer, and can tolerate high temperatures up to 220°C. It is primarily utilized in the windings of motors, reactors, welding machines, and various electrical appliances. When looking for reliable China suppliers and factories that produce polyimide film covered wire, our offerings stand out for their superior quality and performance. Investing in our products ensures you receive the best solutions for your electrical needs

    Standards and Product Specifications

    Our production strictly follows GB/T 7673-2008 and corresponding Enterprise Standards, ensuring high precision, consistency, and reliability across all product lines. Each conductor is manufactured using advanced processing technology and quality-controlled under international standards to meet the demanding requirements of electrical and electronic industries.

    Specifications of Aluminum Flat Wire

    We offer aluminum flat wires with a narrow side dimension ranging from 1.00 mm to 8.00 mm and a wide side ranging from 3.00 mm to 25.00 mm.

    These wires feature excellent conductivity, lightweight properties, and superior flexibility, making them suitable for transformers, reactors, and electric motor windings. Aluminum conductors are also favored for their cost-effectiveness and corrosion resistance in high-efficiency power systems.

    Specifications of Copper Flat Wire

    Our copper flat wires are available with a narrow side dimension from 0.90 mm to 6.00 mm and a wide side from 2.00 mm to 16.00 mm.

    Copper conductors are characterized by their outstanding electrical conductivity, heat resistance, and mechanical strength, ideal for high-power applications, transformers, and precision electronic devices.

    * If your required size or specification is beyond the above range, customized production can be arranged to meet your specific design and technical needs.

    Breakdown Voltage of Polyimide Film Wrapped Wire

    The breakdown voltage and insulation performance of our polyimide film wrapped wire strictly conform to the corresponding business and industry standards, ensuring stable dielectric strength, long service life, and excellent thermal endurance under extreme operating conditions.

    Technical Parameter

    Wrapped Process Insulation Thickness (mm) Min Breakdown Voltage (V)
    Nominal Value Tolerance
    2-layers polyimide film self-locking wrapped 0.15 ±0.03 > 6000
    2-layers polyimide film wrap in the opposite direction 0.15 ±0.03 > 6000
    3 layers of polyimide film wrap in the opposite direction 0.23 ±0.03 > 7000

    Frequently Asked Questions

    What industry standards do your flat wires follow?
    Our products strictly adhere to the GB/T 7673-2008 standard and relevant enterprise specifications to ensure international quality compliance.
    What is the size range for Aluminum Flat Wires?
    We produce aluminum flat wires with narrow sides from 1.00mm to 8.00mm and wide sides from 3.00mm to 25.00mm.
    What are the available dimensions for Copper Flat Wires?
    Copper flat wires are available with a narrow side of 0.90mm to 6.00mm and a wide side of 2.00mm to 16.00mm.
    Can I request a custom size not listed in the specifications?
    Yes, we offer customized production services if your design requirements fall outside our standard size ranges.
    What is the maximum breakdown voltage for your wrapped wires?
    For 3-layer polyimide film wrapped in opposite directions, the minimum breakdown voltage is 7000V.
    What are the benefits of Polyimide Film insulation?
    Polyimide film provides excellent thermal endurance, high dielectric strength, and a long service life under extreme electrical conditions.

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