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  • AUTOMOBILE OIL
    AUTOMOBILE OIL

    Transformer oil

    Product description:
    Gaoke transformer oil can be divided into three marks: 10, 25 and 45. Product quality meets the requirement of GB2536-1990 standard.

    Performance features:
    Favorable electrical insulation property
    Favorable oxidation stability and cooling property
    Excellent low temperature fluidity

    Application:
    This product can be used as insulating and heat-conducting medium for transformer, mutual inductor and other electrical equipment.

    Typical data:
    Item
    Typical data
    10
    25
    45
    Kinematic viscosity (40℃)mm2/s
    7.5
    7.8
    8
    Pour point, ℃
    -10
    -25
    -
    Freezing point, ℃
    -
    -
    -47
    Flash point (close), ℃
    145
    146
    143
    Acidity, mgKOH/g
    0.006
    0.006
    0.006
    Water soluble acid or alkali
    None
    None
    None
    Breakdown voltage (spacing 2.5mm, when delivery)
    55
    55
    55
    Dielectric loss factor(90℃)
    0.0003
    0.0003
    0.0003
    Interfacial tension, mN/m
    45
    46
    42

    Notes:
    Avoid adding oil or replacing oil on rainy days
     



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