| Composition |
Synthetic ester (vegetable oil-based) |
Petroleum-based (mineral oil) |
| Environmental Impact |
Biodegradable, non-toxic, eco-friendly |
Non-biodegradable, potentially toxic |
| Fire Safety |
Higher fire point, more fire-resistant |
Lower fire point, more flammable |
| Electrical Properties |
Lower dielectric strength |
Higher dielectric strength |
| Cooling Efficiency |
Slightly lower thermal conductivity |
Higher thermal conductivity |
| Oxidation Stability |
Higher oxidation resistance |
Prone to oxidation and sludge formation |
| Cost |
More expensive |
More affordable |
| Renewability |
Made from renewable, sustainable sources |
Non-renewable, fossil fuel-based |
| Use Cases |
Environmental and safety-focused areas |
Large-scale, industrial transformer use |
