Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
No Data
No data available
Why is Polysulfone resistant to Transformer Oil?
Polysulfone shows excellent resistance to Transformer Oil due to its sulfone group providing thermal and chemical stability up to 150°C.
⚠️ When NOT to use Polysulfone
Avoid using Polysulfone (PSU) with ketones, esters, and chlorinated solvents. Excellent for hot water and steam applications.
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
Good resistance at both 20°C and 50°C. Maximum service temperature for this material is 150°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PVDF or PTFE. View all materials for Transformer Oil →
FAQ
Is Polysulfone resistant to Transformer Oil?
Polysulfone has Excellent (A) resistance to Transformer Oil at 20°C. Excellent resistance - recommended for continuous use.