Synthetic Ester Lubricant Base Oil
PE30B is a high ignition point base oil for transformer oil, designed for electrical insulation and cooling applications in power transmission and distribution systems.
High-Performance Base Oil for Transformer Oil Formulation
PE30B is a high ignition point base oil for transformer oil, designed for electrical insulation and cooling applications in power transmission and distribution systems.
This base oil for transformer oil is suitable for 100% blending in transformer oil formulation, delivering stable dielectric performance, thermal stability and fire-resistant characteristics for modern insulating oil systems.
With breakdown voltage ≥45 kV and low dielectric loss factor (≤0.03 at 90℃), this base oil for transformer oil supports stable insulation performance in:
Power transformer oil
Distribution transformer oil
High voltage transformer insulation oil
Substation transformer oil systems
Flash point ≥250℃ and light point ≥300℃ contribute to improved fire safety in:
Fire-resistant transformer oil systems
Indoor transformer installations
Renewable energy transformer stations
Pour point ≤ -50℃ ensures reliable performance in:
Cold climate power grid transformer oil
Outdoor distribution transformer oil
Wind power transformer systems
Low acid number (≤0.02 mgKOH/g) and controlled hydroxyl value support:
Long service life transformer oil
Reduced sludge formation
Stable insulation performance under continuous load
The product demonstrates good biodegradability and renewable performance, making it suitable for:
Environmentally sensitive transformer installations
Renewable energy transformer oil systems
Eco-friendly insulating oil formulation
Stable dielectric performance
High breakdown strength
Low thermal expansion coefficient
Excellent oxidation and thermal stability
Suitable for high voltage and distribution transformer oil systems
Consistent batch-to-batch quality
Technical documentation and product samples are available upon request for transformer oil formulation testing and evaluation.
| Product name | PE30B | Test method |
| appearance | Clear and transparent | Visual inspection |
| Kinematic viscosity40℃(mm²/s) | 25-35 | GB/T265 |
| Kinematic viscosity100℃(mm²/s) | 5-8 | GB/T265 |
| VI | 110 | GB/T1995 |
| Pour point℃≤ | -50 | GB/T3535 |
| Flash point℃≥ | 250 | GB/T261 |
| Acid number mgkoh/g ≤ | 0.02 | GB/T7304 |
| Hydroxyl value mgkoh/g ≤ | 2 | GB/T261 |
| Light℃≥ | 300 | GB/T3536 |
| chroma(Pt-Co)≤ | 50 | GB/T3143 |
| density(20℃,Kg/m³) | 950-975 | GB/T1884 |
| Hydration%≤ | 50 | SH/T0207 |
| Breakdown voltage(kv)≥ | 45 | GB/T507 |
| Dielectric loss factor(90℃,50hz)≤ | 0.03 | GB/T5654 |
For transformer oil manufacturers, insulating oil formulators and electrical equipment lubricant suppliers:
Request Technical Data Sheet
Request Sample for Transformer Oil Testing
Discuss Transformer Oil Formulation Requirements
Bulk Supply Inquiry for Base Oil for Transformer Oil
Please contact us to discuss your transformer oil application requirements.
Power transformer oil blending
Distribution transformer insulating oil
High voltage transformer oil formulation
Renewable insulating oil systems
Fire-resistant transformer fluid development
It can be used at 100% in transformer oil formulation depending on technical requirements.
Excellent flame retardancy
High-ignition point
Low thermal expansion coefficient
Good biodegradability and renewable performance
High breakdown strength
Good oxidation stability and thermal stability
Plastic drum packing, net weight 200kg per barrel.
Store and transport as non-dangerous goods in a cool, dry and ventilated place.
Transformer oil 100%(Max.)
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