WE ARE AGENT OF APAR
WHICH IS AN INDIAN MANUFACTURER OF TRANSFORMER OIL
APAR, The third largest transformer oil manufacturer in the world
Since 1969, APAR has pioneered the manufacture of internationally benchmarked grades of high-performance transformer oils in India.
APAR oils are more environment friendly, offer higher oxidation stability, lower gassing tendency and are non-corrosive in nature, with ultra-low sulphur levels.
The entire POWEROIL transformer oil range was developed through in-house R&D efforts. POWEROIL has delighted customers in over 125 countries, and charged millions of transformers with POWEROIL.
APAR offers the most comprehensive range of transformer oils, including both naphthenic and iso-paraffinic grades conforming to all major international standards. Also, APAR has the largest range of customized grades.

Globally APAR is the first company to introduce a comprehensive range of iso-paraffinic transformer oils which have excellent electrical and heat transfer properties, as well as a low pouring point and high oxidation stability.
APAR is an active member in the working groups of IEC, CIGRE and BIS committees in setting performance standards for transformer oils.
We are also the world’s first company to supply the entire range of transformer oils with full compliance to the newly introduced corrosive sulphur standards as per IEC 62535, DIN 51353, ASTM D 1275 and Cigre TF A2. 32.01.
APAR was the first Indian manufacturer, and one of the earliest global manufacturers, to have a range of transformer oils approved for ultra high voltage transformers in the 765 kV AC, 800 kV HVDC and 1200 kV AC classes


Standard grades
| SDS | PDS | CONFORMING TO STANDARD | TYPE | PRODUCT NAME |
|---|---|---|---|---|
| ↓ | ↓ | IS 335-2018 Type II | Uninhibited | TO 335 H |
| ↓ | ↓ | IS 335-2018 Type II | Trace Inhibited | TO 335 HT |
| ↓ | ↓ | IS 335-2018 Type II | Inhibited | TO 335 HX |
| ↓ | ↓ | IEC : 296-1982 Class I | Uninhibited | TO 20 |
| ↓ | ↓ | BS : 148-1984 Class I | Uninhibited | TO 20 BS |
| ↓ | ↓ | IEC : 296-1982 Class I A | Inhibited | TO 20 X |
| ↓ | ↓ | BS : 148-1984 Class I A | Inhibited | TO 20 BS X |
Superior grades
| SDS | PDS | CONFORMING TO STANDARD | TYPE | PRODUCT NAME |
|---|---|---|---|---|
| ↓ | ↓ | IEC 296 Class II:1982 | Uninhibited | TO 10 |
| ↓ | ↓ | BS 148 Class II:1984 | Uninhibited | TO 10 BS |
| ↓ | ↓ | IEC 296 Class IIA :1982 | Inhibited | TO 10 BS |
| ↓ | ↓ | BS 148 Class IIA :1984 | Inhibited | TO 10 BS X |
| ↓ | ↓ | IEC 296 Class I & II:1982 | Uninhibited | TO 1020 |
| ↓ | ↓ | BS 148 Class I & II:1984 | Uninhibited | TO 1020 BS |
| ↓ | ↓ | IEC 296 Class I A& IIA :1982 | Inhibited | TO 1020 X |
| ↓ | ↓ | BS 148 Class IA & II A:1984 | Inhibited | TO 1020 BS X |
Premium grades
| SDS | PDS | CONFORMING TO STANDARD | TYPE | PRODUCT NAME |
|---|---|---|---|---|
| ↓ | ↓ | IS: 335 – 2018 – Type I | Uninhibited | TO 1020 60 U |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Trace Uninhibited | TO 1020 60 UT |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Inhibited | TO 1020 60 UX |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Uninhibited | TO 1020 60 H |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Trace Uninhibited | TO 1020 60 HT |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Inhibited High Grade | TO 1020 60 HX |
| ↓ | ↓ | IS: 335 – 2018 – Type I | Inhibited High Grade | TO 1020 60 SNX |
| ↓ | ↓ | IEC : 60296 – 2020 Type B Standard Grade oil | Uninhibited | TO 1020 60 U |
| ↓ | ↓ | IEC : 60296 – 2020 Type B Standard Grade oil | Trace Uninhibited | TO 1020 60 UT |
| ↓ | ↓ | IEC : 60296 – 2020 Type B Standard Grade oil | Trace Uninhibited | TO 1020 60 UX |
| ↓ | ↓ | IEC : 60296 – 2020 Type A High Grade Oil | Inhibited High Grade | TO 1020 60 SNX |
| ↓ | ↓ | IEC : 60296 – 2020 Type B Standard Grade oil | Uninhibited | TO 1020 60 H |
| ↓ | ↓ | IEC : 60296 – 2020 Type B Standard Grade oil | Trace Inhibited | TO 1020 60 HT |
| ↓ | ↓ | IEC : 60296 – 2020 Type A High Grade Oil | Inhibited High Grade | TO 1020 60 HX |
| ↓ | ↓ | ASTM D 3487- 2016 TYPE I | Inhibited High Grade | TO 1020 AUT |
| ↓ | ↓ | ASTM D 3487- 2016 TYPE II | Inhibited | TO 1020 AUX |
Fire-resistant fluids
