Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
Fair
Limited resistance - short-term exposure only
Comparison Table — All Materials for Transformer Oil
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | C |
| LDPE | C | C |
| PP | A | C |
| PTFE | A | A |
| PVDF | C | C |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | D | D |
| Viton (FPM) | B | C |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | A | NR |
| PVC Flexible | NR | NR |
| PMP | A | NR |
| Polystyrene | A | C |
| SAN | A | C |
| Polycarbonate | C | C |
| PETG | A | A |
| Acetal (POM) | C | C |
| Nylon (PA) | A | NR |
| Polysulfone | A | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Performance degrades significantly at higher temperatures — rated Excellent at 20°C but only Fair at 50°C. For elevated temperatures, consider a more resistant material. Max service temp: 70°C.
🔄 Better Alternative?
Consider: PP or HDPE. View all materials for Transformer Oil →
FAQ
Is Polystyrene resistant to Transformer Oil?
Polystyrene has Excellent (A) resistance to Transformer Oil at 20°C. Excellent resistance - recommended for continuous use.