Greyhound Lubricants Transformer Oil 20L INH-T1 | High Dielectric Strength & Oxidation Stability
Greyhound Transformer oil 20l INH-T1 is a premium inhibited transformer oil formulated with high-purity virgin base oils to deliver superior dielectric strength, excellent thermal conductivity, and long-term oxidation stability. Designed for power and distribution transformers, rectifiers, circuit breakers, and switchgear, it ensures optimal insulation and cooling performance under demanding conditions.
Manufactured and sourced from Europe and globally at ISO-certified plants, Greyhound Lubricants Transformer Oil INH-T1 meets and exceeds IEC 60296:2020 (Inhibited) standards. The use of premium virgin base oils enhances oxidation resistance, minimizes sludge formation, and extends the oil’s service life, reducing maintenance costs and improving transformer efficiency.
Key Features
- High dielectric strength of 73 kV for reliable insulation and breakdown protection
- Premium virgin base oils ensure superior purity, stability, and oxidation resistance
- Efficient thermal conductivity to dissipate heat and prevent overheating
- Low pour point of -41°C for reliable performance in extreme temperatures
- Non-corrosive formulation, compliant with IEC 62535 to protect metal components
- Low moisture content of 9 ppm, reducing electrical discharge risks
- Oil Quality Index (OQIN) of 4400, ensuring outstanding purity and performance stability
Compliance & Standards
- IEC 60296:2020 (Inhibited) – Transformer oil quality and performance
- IEC 60156 – Dielectric strength testing
- IEC 62535 – Certified non-corrosive formulation
- IEC 61125 – Oxidation stability testing
Applications
- Power and distribution transformers
- Rectifiers and circuit breakers
- Switchgear and electrical insulation applications
- Eskom Tranformers
Specifications
| Property | Units | Test Methods | Typical Data |
|---|---|---|---|
| Kinematic Viscosity @ 40°C | cSt | ISO 3104 | 9.3 |
| Density @ 20°C | Kg/m³ | ISO 12185 | 0.884 |
| Flash Point (COC) | °C | ISO 2719 | 145 |
| Pour Point | °C | ISO 3016 | -41 |
| Breakdown Voltage (Before Treatment) | kV | IEC 60156 | 73 |
| Dissipation Factor (DDF) @ 90°C | – | IEC 60247 | <0.001 |
| Interfacial Tension | mN/m | ASTM D971 | 44 |
| Total Acid Number (TAN) | mg KOH/g | IEC 62021 | 0.01 |
| Antioxidant/Inhibitor Content | Wt % | IEC 60666 | <0.4 |
| Aromatic Content | % | IEC 60590 | 12 |
| PCB Content | – | IEC 61619 | Traces |
| Water Content on Delivery | ppm | IEC 60814 | 9 |
| Oil Quality Index (OQIN) | – | – | 4400 |
What’s in the Box: Greyhound Transformer oil 20l: Available in 210L and 1000L IBC kg bulk orders available from head office.
