• <th id="7wu11"></th>
    <th id="7wu11"><bdo id="7wu11"></bdo></th>

  • <li id="7wu11"><object id="7wu11"><menuitem id="7wu11"></menuitem></object></li>

        <th id="7wu11"></th>

        Insulation compound EI4

        NO.

        Test Items

        Values

        1

        Before ageing test

        1.1 Tensile strength(MPa)

        ≥5.0

        1.2 Elongation at break(%)

        ≥250

        2

        After oven ageing test

        2.1 Test condition

        100±2℃/168h

        2.2 Middle range of tensile strength (MPa)

        ≥4.2

        2.3 Middle range of elongation at break (%)

        ≥250

        3

        Compatibility oven ageing test

        3.1 Test condition

        80±2℃/168h

        3.2 Tensile strength rate(%)

        ±25

        3.3 Elongation rate at break (%)

        ±25

        4

        Air bomb ageing test

        4.1 Test condition

        127±2℃/40h,0.55MPa


        4.2 Tensile strength rate(%)

        ±30


        4.3 Elongation at break rate (%)

        ±30

        5

        Ozone ageing test

        5.1 Test condition

        40℃/72h, concentration 2ppm or 25℃/24h,260ppm

        5.2 Test result

        Without crack

        6

        Heat extension test

        6.1 Test condition

        200±3℃/15min,stress 20N/cm2

        6.2 Loading elongation rate(%)

        < 100

        6.3 Un-loading elongation rate(%)

        < 25

        7

        Low-temperature bend test

        7.1 Test condition

        -40℃/4h

        7.2 Low-temperature elongation at unbreak rate (%)

        > 30

        7.3 Wire surface after low-temperature bend

        Without crack

        8

        Oxygen index and flame resistance (EN50265-2-1 burning test)

        ≥20

        GB5013 & HD22 & VDE282


        Return
        肉捧与孕妇干B好爽