Compatibility Rating
At 20°C (68°F)
Poor
Not recommended - significant degradation expected
At 50°C (122°F)
Poor
Not recommended - significant degradation expected
Why is EPDM rated this way to Maleic Acid?
EPDM is not recommended for use with Maleic Acid. Significant degradation or failure is expected.
⚠️ When NOT to use EPDM
Avoid using EPDM Rubber with mineral oils, petroleum fuels, and aromatic solvents which cause swelling and degradation.
Comparison Table — All Materials for Maleic Acid
| 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 | D | D |
| 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 | A | NR |
| PMP | NR | NR |
| Polystyrene | NR | NR |
| SAN | NR | NR |
| Polycarbonate | C | C |
| PETG | NR | NR |
| Acetal (POM) | C | C |
| Nylon (PA) | D | D |
| Polysulfone | NR | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Maximum service temperature for this material is 120°C. Always verify compatibility at your specific operating conditions.
🔄 Better Alternative?
Consider: Viton for oils, PTFE for universal. View all materials for Maleic Acid →
FAQ
Is EPDM resistant to Maleic Acid?
EPDM has Poor (D) resistance to Maleic Acid at 20°C. Not recommended - significant degradation expected.
Can I store Maleic Acid in EPDM containers?
Use caution - EPDM is rated D (Poor) for Maleic Acid.