Compatibility Rating
At 20°C
Poor
Not recommended - significant degradation expected
At 50°C
Poor
Not recommended - significant degradation expected
Why is PVC Flexible rated this way to Pyridine?
PVC Flexible is not recommended for use with Pyridine. Significant degradation or failure is expected.
⚠️ When NOT to use PVC Flexible
Avoid using PVC (Flexible/Plasticized) with the same solvents as rigid PVC, plus any chemical that extracts plasticizers. Generally less resistant than rigid PVC.
Comparison Table — All Materials for Pyridine
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | C |
| LDPE | NR | NR |
| PP | C | C |
| PTFE | A | A |
| PVDF | A | C |
| FEP | B | B |
| ECTFE/ETFE | A | A |
| EPDM | D | D |
| Viton (FPM) | D | D |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | D | D |
| PVC Flexible | D | D |
| PMP | NR | NR |
| Polystyrene | D | D |
| SAN | D | D |
| Polycarbonate | D | D |
| PETG | NR | NR |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| Polysulfone | D | D |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Maximum service temperature for this material is 50°C. Always verify compatibility at your specific operating conditions.
🔄 Better Alternative?
Consider: PVC Rigid or EPDM. View all materials for Pyridine →
FAQ
Is PVC Flexible resistant to Pyridine?
PVC Flexible has Poor (D) resistance to Pyridine at 20°C.
Can I store Pyridine in PVC Flexible?
Caution - PVC Flexible is rated D for Pyridine.