Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
No Data
No data available
Why is EPDM resistant to Isobutanol?
EPDM shows excellent resistance to Isobutanol due to its saturated polymer backbone resisting degradation from water, steam, acids, and alkalis.
⚠️ 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 Isobutanol
| 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 | NR |
| NBR | C | D |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | NR |
| PVC Rigid | A | B |
| PVC Flexible | NR | NR |
| PMP | A | B |
| Polystyrene | B | B |
| SAN | C | D |
| Polycarbonate | A | B |
| PETG | B | B |
| Acetal (POM) | A | NR |
| Nylon (PA) | B | B |
| Polysulfone | A | B |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
FAQ
Is EPDM resistant to Isobutanol?
EPDM has Excellent (A) resistance to Isobutanol at 20°C. Excellent resistance - recommended for continuous use.
Can I store Isobutanol in EPDM containers?
Yes, EPDM is rated A (Excellent) for Isobutanol.