Compatibility Rating
📊 Note: Potassium Hydroxide resistance varies by concentration. Data available for: 1 %, 10 %, 30 %, 50 %. Search for specific concentrations →
Why is NBR rated this way to Potassium Hydroxide?
NBR has limited resistance to Potassium Hydroxide. Short-term exposure may be acceptable, but prolonged contact is not recommended.
⚠️ When NOT to use NBR
Avoid using Nitrile Rubber (Buna-N) with strong oxidizers, ketones, chlorinated solvents, and ozone. Not suitable for polar solvents.
Comparison Table — All Materials for Potassium Hydroxide
| 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 | C |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | D | D |
| PVC Rigid | A | A |
| PVC Flexible | NR | NR |
| PMP | A | A |
| Polystyrene | B | B |
| SAN | NR | NR |
| Polycarbonate | C | D |
| PETG | D | D |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| Polysulfone | A | A |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Maximum service temperature for this material is 100°C. Always verify compatibility at your specific operating conditions.
🔄 Better Alternative?
Consider: Viton for wider chemical range. View all materials for Potassium Hydroxide →
FAQ
Is NBR resistant to Potassium Hydroxide?
NBR has Fair (C) resistance to Potassium Hydroxide at 20°C.
Can I store Potassium Hydroxide in NBR?
Caution - NBR is rated C for Potassium Hydroxide.
📊 Note: Potassium Hydroxide resistance varies by concentration. Data available for: 1 %, 10 %, 30 %, 50 %. Search for specific concentrations →