Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
No Data
No data available
Comparison Table — All Materials for Potassium Nitrate
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | A |
| LDPE | A | A |
| PP | A | A |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | A | A |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | A | A |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | A | A |
| PVC Flexible | A | NR |
| PMP | A | NR |
| Polystyrene | A | A |
| SAN | A | A |
| Polycarbonate | A | NR |
| PETG | A | A |
| Acetal (POM) | A | A |
| 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 120°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PP or PTFE. View all materials for Potassium Nitrate →
FAQ
Is PMP resistant to Potassium Nitrate?
PMP has Excellent (A) resistance to Potassium Nitrate at 20°C. Excellent resistance - recommended for continuous use.
Can I store Potassium Nitrate in PMP containers?
Yes, PMP is rated A (Excellent) for Potassium Nitrate.