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IOTA BJ100 Phenyl Silicone Oil

    Product description

    IOTA BJ100 Silicone fluid is a clear, colorless, and odorless polydimethylsiloxane with a high proportion of phenyl groups.

    Application

    - heat transfer fluid

    - pressure transfer fluid

    - dielectric in capacitors and transformers

    - base fluid of heat resistant lubricants

    For practical purposes, the useful temperature range of IOTA BJ100 is between -35 °C and +200 °C. However, this presupposes that heat-stressing of the fluid occurs under "chemically pure" conditions.

    Even trace amounts of acids, alkalis, mineral oils, organometallic compounds, metal salts or metal oxides can seriously reduce the service life.

    The flash point of the silicone fluid may be changed by heat-stressing. It is therefore particularly important in open systems to check the flash point at least once a year and more often if operating conditions demand.

    Storage

    The 'Best use before end' date of each batch is shown on the product label.

    Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

    Product data

    Typical general characteristics

    Inspection Method

    Value Appearance

                  clear, colorless  

    Viscosity, kinematic at 25 °C  

    DIN 51562

    approx. 100-150 mm²/s

    Refractive index (25°C)

    DIN 51423

    approx. 1.485-1.50

    Density at 25 °C

    DIN 51757

    approx.1.07 g/cm³

    Volatility

    5g/2h/250°C

    < 1.5 %

    Thermal conductivity at 50 °C

    approx.0.14 Wm-¹K -¹

    Specific heat at 25 °C

    approx.1.46 Jg-¹K -¹

    Coefficient of thermal expansion at 0 -180 °C

    85 - 82 x 10-5 mLmL-¹K -¹

    Dielectric constant at 25°C and 100 Hz

    approx.2.9

    Dielectric strength

    approx.20 kVmm-¹

    Flash point

    ISO 2719

    approx.260 °C

    Ignition temperature (liquids)

    DIN 51794

    > 400 °C



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