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 Viton (FPM) rated this way to Sulfur Dioxide?
Viton (FPM) is not recommended for use with Sulfur Dioxide. Significant degradation or failure is expected.
⚠️ When NOT to use Viton (FPM)
Avoid using Viton Fluoroelastomer with ketones, esters, amines, and hot water/steam. Excellent for fuel and oil applications.
Comparison Table — All Materials for Sulfur Dioxide
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | A |
| LDPE | A | A |
| PP | A | C |
| PTFE | A | A |
| PVDF | A | D |
| FEP | A | A |
| ECTFE/ETFE | A | A |
| EPDM | A | NR |
| Viton (FPM) | D | D |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | C | D |
| PVC Rigid | A | B |
| PVC Flexible | NR | NR |
| PMP | A | A |
| Polystyrene | C | D |
| SAN | NR | NR |
| Polycarbonate | C | C |
| PETG | NR | NR |
| Acetal (POM) | D | D |
| Nylon (PA) | C | C |
| Polysulfone | B | B |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Maximum service temperature for this material is 200°C. Always verify compatibility at your specific operating conditions.
🔄 Better Alternative?
Consider: PTFE for chemical universality. View all materials for Sulfur Dioxide →
FAQ
Is Viton (FPM) resistant to Sulfur Dioxide?
Viton (FPM) has Poor (D) resistance to Sulfur Dioxide at 20°C. Not recommended - significant degradation expected.
Can I store Sulfur Dioxide in Viton (FPM) containers?
Use caution - Viton (FPM) is rated D (Poor) for Sulfur Dioxide.