Compatibility Rating
📊 Note: Sulfuric Acid resistance varies by concentration. Data available for: 1-6 %, 20 %, 40 %, 60 %, 80 %, 95 %. Search for specific concentrations →
Why is NBR rated this way to Sulfuric Acid?
NBR is not recommended for use with Sulfuric Acid. Significant degradation or failure is expected.
⚠️ 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 Sulfuric Acid
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | A |
| LDPE | A | A |
| PP | A | B |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | A | A |
| EPDM | B | NR |
| Viton (FPM) | A | A |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | B | C |
| SS 304 | B | C |
| Aluminium | C | C |
| PVC Rigid | A | B |
| PVC Flexible | NR | NR |
| PMP | A | B |
| Polystyrene | A | B |
| SAN | NR | NR |
| Polycarbonate | A | B |
| PETG | NR | NR |
| Acetal (POM) | D | D |
| Nylon (PA) | D | D |
| Polysulfone | A | A |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
FAQ
Is NBR resistant to Sulfuric Acid?
NBR has Poor (D) resistance to Sulfuric Acid at 20°C.
Can I store Sulfuric Acid in NBR?
Caution - NBR is rated D for Sulfuric Acid.
📊 Note: Sulfuric Acid resistance varies by concentration. Data available for: 1-6 %, 20 %, 40 %, 60 %, 80 %, 95 %. Search for specific concentrations →