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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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