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    ULF-500VS Features:

    · With little flux residue, the color tone is achromatic and the finish is free from stickiness

    · No troubles like checker pin will be caused

    · Nevertheless the flux has low solid content, it shows very excellent solderability and will solve troubles in soldering such as non-wetting and bridge defect

    ULF-500VS Parameter:

    ItemsULF-500VSTest method
    AppearanceLight yellow and transparent liquidVisual examination
    Color number2Gardener method
    Specific gravity0.806JIS Z 3197(1986)
    Viscosity (mPa.s)3.4JIS Z 3197(1986)
    Solid content(%)8.6100℃,1h
    Chlorine content(%)0.04JIS Z 3197(1986)
    Spreading factor(%)90JIS Z 3197(1986)
    Copper plate corrosionPassingJIS Z 3197(1986)
    Water extract resistivity  (Ω・cm)More than 1×1011JIS Z 3197(1986)

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