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        Jacket compound 5GM3

        NO.

        Test Items

        Values

        1

        Before ageing test

        1.1 Elongation at break(%)

        ≥350

        1.2 Tensile strength(MPa)

        ≥11

        1.3 Mooney Viscosity(ML100℃1+4)

        65±5

        2

        Compatibility oven ageing test

        2.1 Test condition

        70±2℃/240h

        2.2 Tensile strength rate(%)

        -15

        2.3 Elongation rate at break(%)

        -25

        3

        Compatibility oven ageing test

        3.1 Test condition

        100±2℃/336h

        3.2 Tensile strength rate(%)

        -30

        3.3 Elongation at break rate(%)

        -40

        4

        Heat extension test

        4.1 Test condition

        200±3℃/15min, stress20N/cm2

        4.2 Loading elongation rate(%)

        < 100

        4.3 Un-loading elongation rate(%)

        < 25

        5

        Ozone ageing test

        5.1 Test condition

        40℃/72h, concentration 2ppm

        5.2 Test result

        Without crack

        6

        Low-temperature bend test

        6.1 Test condition

        -35℃

        6.2 Low-temperature elongation at unbreak rate(%)

        > 30

        6.3 Wire surface after low-temperature bend

        Without crack

        Standard No.:GB5013 & HD22 & VDE0282


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