Compatibility Rating
At 20°C (68°F)
Poor
Not recommended - significant degradation expected
At 50°C (122°F)
Poor
Not recommended - significant degradation expected
Why is Polysulfone rated this way to Propionic Acid?
Polysulfone is not recommended for use with Propionic Acid. Significant degradation or failure is expected.
⚠️ 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 Propionic Acid
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | C |
| LDPE | A | C |
| PP | A | A |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | C | NR |
| Viton (FPM) | A | A |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | A | C |
| PVC Flexible | C | C |
| PMP | NR | NR |
| Polystyrene | D | D |
| SAN | NR | NR |
| Polycarbonate | D | D |
| PETG | NR | NR |
| Acetal (POM) | D | D |
| Nylon (PA) | C | C |
| Polysulfone | D | D |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Maximum service temperature for this material is 150°C. Always verify compatibility at your specific operating conditions.
🔄 Better Alternative?
Consider: PVDF or PTFE. View all materials for Propionic Acid →
FAQ
Is Polysulfone resistant to Propionic Acid?
Polysulfone has Poor (D) resistance to Propionic Acid at 20°C. Not recommended - significant degradation expected.
Can I store Propionic Acid in Polysulfone containers?
Use caution - Polysulfone is rated D (Poor) for Propionic Acid.