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Insulating oil specification

The insulating oil we use has the following typrical characteristics

PropertyUnitsMethodRequirements (IEC 60296)
Appearance    -IEC 60296clear, free from sediment
Density at 15 °Ckg/m³ISO 3675       -
Density at 20 °Ckg/m³ISO 3675< 895
Kinematic viscosity at 40 °Cmm²/sISO 310412 max
Kinematic viscosity at -30 °Cmm²/sISO 31041800 max
Flashpoint P.M°CISO 2719135 min
Pourpoint°CISO 3016< -40
Neutralisation valuemgIEC 62021-10,01 max.
Corrosive sulphur    -IEC 62535
Corrosive sulphur    -ASTM D 1275 B
Corrosive sulphur    -DIN 51353not corrosive
Breakdown voltage untreatedkVIEC 60156min 30
Breakdown voltage after treatmentkVIEC 60156min 70
Water content (ex works)ppmIEC 6081440 max (IBC) 30 max (bulk)
Dielelectric dissipation factor at 90 °C    -IEC 602470,005 max
Oxidation stability (164 h / 120 °C)
Neutralisation valuemg KOH/gIEC 61125 C1,2 max
Sludge content% mIEC 61125 C0,8 max
Dielelectric dissipation factor at 90 °C0,5 max
Oxidation stability Baader (140 h / 110 °C)
Neutralisation valuemg KOH/gDIN 51554    -
Sludge content% mDIN 51554    -
Dielelectric dissipation factor at 90 °C    -

Whilst future production will conform to this specification, variations in these characteristics may occur.