Household electrical appliance cable compound

    The product complies with the provisions of national standard GB7594.5-87 and is suitable for ordinary duty flame-retardant rubber sheath of wire and cable.
    Indicator requirements and measured performance

    No. Item Unit Requirements Results
    Before aging Tensile strength        Mpa ≥10.0 11.9
    Elongation at break        ％ ≥300 440
    Air oven aging test Aging conditions Temperature ºC 75±2 75±2
    Time h 10×24 10×24
    Tensile strength after aging / Mpa / 12.2
    Change rate  ％ ≤-15 2.8
    Elongation at break after aging / ％ ≥250 408
    Change rate  ％ ≤-25 -7.2
    Thermal elongation test Test conditions Air temperature ºC 200±3 200±3
    Load time min 15 15
    Mechanical stress N/cm2 20 20
    Elongation under load      ％ ≤175 40
    Permanent deformation after cooling   ％ ≤25 6
    Oil immersion test Test conditions Oil temperature ºC 100±2 100±2
    Oil temperature time h 24 24
    Tensile strength change rate         ％ ±40 -9
    Change rate of elongation at break      ％ ±40 -10



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