Compatibility Rating
Why is Viton (FPM) resistant to Potassium Chromate?
Viton (FPM) shows excellent resistance to Potassium Chromate due to its fluorinated rubber structure providing exceptional resistance to oils, fuels, and many chemicals.
⚠️ 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 Potassium Chromate
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | NR | NR |
| LDPE | NR | NR |
| PP | A | A |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | A | NR |
| Viton (FPM) | A | NR |
| 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 | B | B |
| PETG | NR | NR |
| Acetal (POM) | B | B |
| Nylon (PA) | B | B |
| Polysulfone | NR | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Good resistance at both 20°C and 50°C. Maximum service temperature for this material is 200°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PTFE for chemical universality. View all materials for Potassium Chromate →
FAQ
Is Viton (FPM) resistant to Potassium Chromate?
Viton (FPM) has Excellent (A) resistance to Potassium Chromate at 20°C. Excellent resistance - recommended for continuous use.
Can I store Potassium Chromate in Viton (FPM) containers?
Yes, Viton (FPM) is rated A (Excellent) for Potassium Chromate.