Electrical Insulating Oil
DONGNAM Petroleum has developed a high degree of purification techniques to produce supreme electrical insulating oil.
Our transformer oil is currently used in high voltage power transformers (765kV, 667MVA)
ESTRAN meets and/or exceeds the various international standards of different countries around the world.
- Excellent oxidation stability
- Excellent breakdown voltage
- Excellent chemical stability
- Non-corrosive, No PCBs