Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
Good
Good resistance - suitable for intermittent contact
Why is Polysulfone resistant to Isobutanol?
Polysulfone shows excellent resistance to Isobutanol due to its sulfone group providing thermal and chemical stability up to 150°C.
⚠️ When NOT to use Polysulfone
Avoid using Polysulfone (PSU) with ketones, esters, and chlorinated solvents. Excellent for hot water and steam applications.
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 Polysulfone resistant to Isobutanol?
Polysulfone has Excellent (A) resistance to Isobutanol at 20°C. Excellent resistance - recommended for continuous use.
Can I store Isobutanol in Polysulfone containers?
Yes, Polysulfone is rated A (Excellent) for Isobutanol.