Compatibility Rating
Why is PVC Rigid resistant to Propionic Acid?
PVC Rigid shows excellent resistance to Propionic Acid due to its chlorinated structure providing resistance to acids, alkalis, and many inorganic chemicals.
⚠️ When NOT to use PVC Rigid
Avoid using PVC (Rigid) with ketones, esters, aromatic and chlorinated solvents. Maximum temperature around 60°C.
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
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: 60°C.
🔄 Better Alternative?
Consider: PP or PVDF for higher temperatures. View all materials for Propionic Acid →
FAQ
Is PVC Rigid resistant to Propionic Acid?
PVC Rigid has Excellent (A) resistance to Propionic Acid at 20°C. Excellent resistance - recommended for continuous use.
Can I store Propionic Acid in PVC Rigid containers?
Yes, PVC Rigid is rated A (Excellent) for Propionic Acid.