Compatibility Rating
At 20°C (68°F)
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
Excellent
Excellent resistance - recommended for continuous use
Why is SS 316 resistant to Isobutanol?
SS 316 shows excellent resistance to Isobutanol due to its molybdenum content providing superior resistance to chlorides and corrosive chemicals compared to 304.
⚠️ When NOT to use SS 316
Avoid using Stainless Steel 316 with hydrochloric acid, hot sulfuric acid, and reducing environments. Best general-purpose stainless steel for chemical exposure.
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 Stainless Steel 316 resistant to Isobutanol?
Stainless Steel 316 has Excellent (A) resistance to Isobutanol at 20°C. Excellent resistance - recommended for continuous use.
Can I store Isobutanol in Stainless Steel 316 containers?
Yes, Stainless Steel 316 is rated A (Excellent) for Isobutanol.