Welder cable sheathing compound

    This product is produced according to requirements for cable coating for welding machines of national standard GB/T5013.3 and GB/T5013.1 and performance index of SE4 type synthetic elastomer mixture. Product performance fully meets the requirements of the welding machine cable.
    Performance indexes of DHJ

    No. Item Unit Requirements Measured value
    1 Tensile strength MPa ≥10.0 12.5
    Elongation at break % ≥300 360
    2 Air oven aging test???????????????????????? 70±2℃×10 d
    Tensile strength change rate?? % ±20 8
    Elongation at break?????? % ≥250 320
    Change rate of elongation at break??? % ±20 -11
    3 Oil resistance test (ASTM 2# oil)???? ?????????????100±2℃×24 h
    Tensile strength change rate?? % ±40 -5
    Change rate of elongation at break??? % ±40 -10
    4 Thermal extension test?????????????????????? 200±2℃×15 min×0.2MPa
    Elongation under load % ≤175 35
    Permanent deformation after cooling % ≤25 6
    5 Brittle temperature ????? ℃ ? -40
    Llow-temperature bend test????? -35±2℃×16 h No cracks No cracks
    6 Deflection test Ten thousand times - 36 No cracks



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