Chemical Resistance
Radiation Resistance
Long Service Life
Fluoropolymer Insulated Cable

AF-250X

AF-250X is a 600V PFA insulated high-temperature wire with silver-plated stranded copper conductor, working from -65℃ to +250℃, featuring outstanding chemical resistance, low high-frequency loss, self-extinguishing flame retardancy and RoHS compliance for aerospace, electronics and industrial high-heat wiring.

Spec Sheet PDF
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    Product Structures

    • Conductor: Flexible stranded conductor(s) of single/multiple silver-plated copper wires. Plating Standard: JB/T3135-2024, Construction: GB/T 3956-2008 or customer requirements.
    • Insulation: PFA. Insulation material performance reference: GJB773B-2015. Finished wire/cable dimensional inspection method: GB/T 2951-2008. Finished wire/cable electrical performance test method reference: GB/T 3048-2007.

    Technical Scope

    • Temperature Range: -65~+250°C
    • Rated Voltage: U0/U 600V
    • Test Voltag: 2000V
    • Insulation Resistance: Not less than 1.0 × 10³MΩ·km at 20℃ (Min. 1000MΩ·km at 20℃)
    • Radiation resistanc: up to 1×10⁶cJ/kg(up to 1 Mrad)

    Product Features

    • Excellent Chemical Resistance: Resistant to oils, strong acids, strong alkalis, strong oxidizing agents, microorganisms; prevents fungal growth
    • Superior Electrical Insulation Properties: Low and virtually frequency-independent dielectric properties. High voltage resistance, Low high-frequency loss, Non-hygroscopic / Low water absorption (< 0.01%). Minimal water vapor permeability (approx. 0.18 mgr/cm² within 24 hours), High insulation resistance.
    • Flame Retardant: Self-extinguishing. Passes flame retardancy tests per DIN VDE 0482 Part 265-2-1 / EN 50265-2-1 / IEC 60332-1 (equivalent to DIN VDE 0472 Part 804 Test Method B).
    • Environmentally Compliant: Free of hazardous substances; complies with RoHS standards.

    Applications

    • Electronics Industry: Temperature compensation wires, cryogenic-resistant wires, high-temperature heating wires, aging-resistant wires, flame-retardant wires.
    • Household Appliance Industry: Internal wiring for air conditioners, microwave ovens, electronic sterilizers, rice cookers, electric kettles, electric heaters, electric ovens, electric casseroles, lighting fixtures.
    • Industrial Environments: Installation in control cabinets subject to high heat, brick factories, heaters, kitchen equipment, measurement devices, and the chemical industry.
    • Specialized Applications: Transmission lines for electronic equipment operating at high temperatures and high frequencies, Internal connecting wires for computers, Aerospace cables. Other special-purpose installation wires. Oil well logging cables, Submersible motor winding wires, Micro-motor lead wires.

    Technical Parameters：

    Nominal cross section (mm²) Conductor construction: Number/size (mm) Insulation thickness (mm) Average outer diameter (mm) Max resistance at 20°C (Ω/km) The length of package (m)
    0.035 7×0.08 0.20 0.65 563 500
    0.05 7×0.10 0.20 0.70 381 500
    0.08 7×0.12 0.20 0.80 239 500
    0.12 7×0.15 0.25 0.95 150 500
    0.14 7×0.16 0.25 1.00 143 500
    0.2 7×0.20 0.30 1.20 94.2 500
    0.35 19×0.16 0.30 1.40 56.4 500
    0.5 19×0.18 0.30 1.50 40.1 200
    0.75 19×0.23 0.35 1.85 26.7 200
    0.75 1×0.97 0.35 1.70 25.4 200
    1 19×0.26 0.35 2.00 20 200
    1.2 19×0.28 0.35 2.10 16 200
    1.5 19×0.32 0.40 2.40 11.7 200
    2 19×0.37 0.40 2.65 9.1 200
    2.5 19×0.41 0.50 3.10 8.21 100
    4 37×0.37 0.50 3.60 5.09 100
    6 37×0.45 0.50 4.20 3.39 100
    8 133×0.28 0.50 5.20 2.3 100
    10 133×0.32 0.50 5.80 1.95 100
    16 133×0.39 0.60 7.00 1.24 100
    20 133×0.45 0.60 8.00 0.89 100
    25 196×0.40 0.60 8.80 0.795 100
    35 494×0.30 0.70 10.40 0.565 100
    50 396×0.40 0.80 12.20 0.393 100
    70 551×0.40 1.00 14.60 0.277 100
    95 760×0.40 1.20 17.20 0.211 100

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