Q8 Transformer Oil U
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Q8 Transformer Oil U
Uninhibited transformer oil
Applications Q8 Transformer Oil U
This product can be used in all types of oil-filled electrical equipment, including power and distribution transformers and switchgear.
Specifications, Approvals & Recommendations of Q8 Transformer Oil U
| Q8 Transformer Oil U Approvals | Q8 Transformer Oil U Specifications |
|---|---|
| IEC 60296 | DIN 51353 |
| ISO 12185 | ISO 3104 |
| ISO 3016 | IEC 61125 |
| IEC 60666 | ISO 14596 |
| IEC 62021 | IEC 60156 |
| IEC 62535 | IEC 62697 |
| IEC 61198 | IP 346 |
Properties
| Property | Unit | Method | Value |
| Appearance | - | IEC 60296 | Clear, free from sediment |
| Density @20 °C | kg/dm³ | ISO 12185 | 0.879 |
| Kinematic viscosity @40 °C | mm²/s | ISO 3104 | 9.5 |
| Kinematic viscosity @-30 °C | mm²/s | ISO 3104 | 1030 |
| Pour point | °C | ISO 3016 | -61 |
| Acidity | mg KOH/g | IEC 62021 | <0.01 |
| Corrosive sulfur | - | DIN 51353 / D1275 / IEC 62535 | Non-corrosive |
| Sulfur content | % mass | ISO 14596 | <0.01 |
| Antioxidants (inhibitors) | % mass | IEC 60666 | Non-detectable |
| Water content | mg/kg | IEC 60614 | <10 |
| Furfural content | mg/kg | IEC 61198 | Non-detectable |
| Interfacial tension | mN/m | ISO 6295 | 47 |
| Breakdown voltage, before treatment | kV | IEC 60156 | 45 |
| Breakdown voltage, after treatment | kV | IEC 60156 | 72 |
| Oxidation stability (164 h @120 °C) – Total acidity | mg KOH/g | IEC 61125 | 0.7 |
| Oxidation stability (164 h @120 °C) – Sludge | % mass | IEC 61125 | 0.2 |
| Oxidation stability (164 h @120 °C) – DDF @90 °C | - | IEC 61125 | 0.037 |
| Flash point (PM) | °C | ISO 2719 | 144 |
| PCA content | % mass | IP 346 | <3 |
| PCB content | mg/kg | IEC 61619 | Non-detectable (0) |
| DBDS | mg/kg | IEC 62697 | Non-detectable (0) |
Benefits & Potential Benefits
| Benefit | Description |
| Outstanding dielectric performance | Provides excellent electrical insulation and component protection. |
| Wide temperature capability | Stable at very low and high temperatures (−61 °C to +120 °C). |
| Extended equipment life | Free from corrosive sulfur and oxidation accelerators; reduces transformer ageing. |
| Environmentally considerate | PCB-free and uninhibited; complies with key international requirements. |
| High breakdown voltage | Ensures reliable insulation even after treatment and extended service. |
Application
Q8 Transformer Oil U is used for insulation and cooling of transformers and other oil-filled electrical equipment, including power and distribution transformers and switchgear. The oil is Uninhibited (without antioxidants) and based on high-quality naphthenic mineral oil, free from PCBs.
Frequently Asked Questions (FAQ)
- 1. What does “Uninhibited” mean for transformer oil?
It means the oil contains no oxidation inhibitors, supporting natural stability and material compatibility. - 2. Is Q8 Transformer Oil U suitable for both new and existing transformers?
Yes, it is designed for use in all oil-filled electrical equipment, new or in service. - 3. Does Q8 Transformer Oil U contain harmful substances such as PCBs?
No, it is completely free of PCBs and meets international environmental requirements.
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