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        Jacket compound EM2

        NO.

        Test Items

        Values

        1

        Before ageing test

        1.1 Tensile strength(MPa)

        ≥10.0

        1.2 Elongation at break(%)

        ≥300

        2

        After oven ageing test

        2.1 Test condition

        80±2℃/240h

        2.2 Tensile strength rate(%)

        ±15

        2.3 Elongation at break rate(%)

        ±15

        3

        Oil-resistance test

        (IRM902 oil)

        3.1 Test condition

        100±2℃/240h

        3.2 Tensile strength rate(%)

        ±40

        3.3 Elongation at break rate(%)

        ±40

        4

        Ozone ageing test

        4.1 Test condition

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

        4.2 Test result

        Without crack

        5

        Heat extension test

        5.1 Test condition

        200±3℃/15min, stress 20N/cm2

        5.2 Loading elongation rate(%)

        < 100

        5.3 Loaded elongation rate(%)

        < 25

        6

        Low-temperature impact test

        6.1 Test condition

        -40℃/4h

        6.2 Wire surface after low-temperature impact

        Without crack

        7

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

        ≥32

        Standard No.:GB5013 & HD22 & VDE282


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