Transformer Oil
PetroChina produces naphthenic-based transformer oils. It is manufactured by adopting moderately-refined low viscosity and low pour point base oils. It is also characterized by good heat transfer, excellent high oxidation stability and good electrical properties.
Our transformer oils have stable and reliable performance and are produced from strictly-controlled quality procedures meeting the requirements of IEC 60296-2003 classification U and ASTM D3487-93 type 1 standard.
Petrochina has established a joint development program of AC/DC transformer oil with Siemens, ABB, Xi’an Transformer Factory and many others.
| Product | Description |
| Petro45 |  Download |
| Petro25X, 45X | Download |
| Petro45A | Download |
| Petro40X | Download |
| Petro50X HVDC/HVAC | Download |
| Petro50GX HVDC/HVAC | Download |
