久久青草免费91线频观看不卡,baoyutv国产欧美在线视频,久久精品94精品久久精品,男同桌上课用手指进去了好爽,久久综合给会久久狠狠狠

<noscript id="ggggg"><dd id="ggggg"></dd></noscript><small id="ggggg"></small>
<sup id="ggggg"><code id="ggggg"></code></sup>
  • <nav id="ggggg"></nav>
  • <nav id="ggggg"></nav>
    • 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


      Return