TRANSFORMER OIL SMX
Transformer Oil SMX
Transformer Oil SMX, high grade inhibited transformer oil with higher oxidation stability and lower sulphur content meeting the IEC 60296: 2020 Edition 5.0 Standard Table–3 general specifications. It also meets the ASTM D 1275 test requirement for corrosive sulphur.
Technical Properties
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Appearance |
Visual |
Clear free from sediment and suspended matter |
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Colour |
ISO 2049 |
Max. 0.5 |
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Density, 20°C, kg/dm3 |
ISO 12185 |
Max 0,895 |
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Kinematic Viscosity, 40°C, cSt |
ISO 3104 |
Max 12.0 |
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Kinematic Viscosity, -30°C, cSt |
ISO 3104 |
Max 1800 |
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Flash Point, PMCC °C |
ISO 2719 |
Min 135 |
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Pour Point, °C |
ISO 3016 |
Max -40 |
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Inter Facial Tension At 25 ˚C (mN/m) |
ASTM D 971 |
Min. 43 |
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TAN, mg KOH/g |
IEC 62021 |
Max 0,01 |
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Water Content, (mg/kg) |
Bulk |
IEC 60814 |
Max. 30 |
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Drum, IBC |
Max. 40 |
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Breakdown Voltage (kV) |
As Delivered |
IEC 60156 |
Min 30 |
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After Treatment |
Min 60 |
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Dielectric Dissipation Factor (Tan δ) at 90˚C &40 to 60Hz |
IEC 60247 or IEC61620 |
Max. 0.005 |
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Corrosive Sulphur |
Silver Strip,100 ˚C, 18 Hrs. |
DIN 51353 |
Not Corrosive |
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Copper Strip,150 ˚C, 48 Hrs. |
ASTM D 1275 |
Not Corrosive |
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Potentially Corrosive Sulfur |
IEC 62535 |
Non-Corrosive |
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DBDS, mg/kg |
IEC 62697-1 |
Not Detectable |
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Inhibitors According to IEC 60666(%) |
IEC 60666 |
Inhibited Oil (0.08% to 0.40%) |
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Metal Passivator Additives(mg/kg) |
IEC 60666 |
Not Detectable |
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Other additives * |
- |
Does not contain any additives other than antioxidant additive |
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Oxidation Stability (120°C, 500h)
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TAN, mg KOH/g |
IEC 61125 |
Max 0,3 |
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Sludge, %wt |
Max 0,05 |
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DDF (@90°C) |
Max 0,05 |
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PCA, Content (%) |
IP 346 |
Max 3 |
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PCB, Content (mg/kg) |
IEC 61619 |
Not Detectable |
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2-Furfural and related compounds content, mg/kg |
IEC 61198 |
Not Detectable |
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Total Sulfur Content, % |
ISO 14596 |
Max 0,05 |
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Performance
IEC 60296:2020 edition 5.0 TYPE A (TVAI)
Approved by TEIAS.
REV01 FEBRUARY 2025
