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 Motor Oil?
EPDM is not recommended for use with Motor Oil. 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 Motor Oil
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | NR |
| LDPE | A | C |
| PP | A | C |
| PTFE | A | A |
| PVDF | B | B |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | D | D |
| Viton (FPM) | A | A |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | NR | NR |
| PVC Flexible | NR | NR |
| PMP | NR | NR |
| Polystyrene | NR | NR |
| SAN | NR | NR |
| Polycarbonate | A | A |
| PETG | A | A |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| Polysulfone | NR | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
FAQ
Is EPDM resistant to Motor Oil?
EPDM has Poor (D) resistance to Motor Oil at 20°C. Not recommended - significant degradation expected.
Can I store Motor Oil in EPDM containers?
Use caution - EPDM is rated D (Poor) for Motor Oil.