Compatibility Rating
Why is PVC Flexible resistant to Potassium Cyanide?
PVC Flexible shows excellent resistance to Potassium Cyanide due to similar chemistry to rigid PVC but with plasticizers that can be extracted by some solvents.
⚠️ When NOT to use PVC Flexible
Avoid using PVC (Flexible/Plasticized) with the same solvents as rigid PVC, plus any chemical that extracts plasticizers. Generally less resistant than rigid PVC.
Comparison Table — All Materials for Potassium Cyanide
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | A |
| LDPE | A | A |
| PP | A | A |
| PTFE | A | A |
| PVDF | A | C |
| FEP | A | A |
| ECTFE/ETFE | NR | NR |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | NR |
| SS 304 | A | NR |
| Aluminium | C | D |
| PVC Rigid | A | C |
| PVC Flexible | A | D |
| PMP | NR | NR |
| Polystyrene | NR | NR |
| SAN | NR | NR |
| Polycarbonate | D | D |
| PETG | NR | NR |
| Acetal (POM) | C | NR |
| Nylon (PA) | A | NR |
| Polysulfone | NR | NR |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
🌡️ Temperature Note
Performance degrades significantly at higher temperatures — rated Excellent at 20°C but only Poor at 50°C. For elevated temperatures, consider a more resistant material. Max service temp: 50°C.
🔄 Better Alternative?
Consider: PVC Rigid or EPDM. View all materials for Potassium Cyanide →
FAQ
Is PVC Flexible resistant to Potassium Cyanide?
PVC Flexible has Excellent (A) resistance to Potassium Cyanide at 20°C.
Can I store Potassium Cyanide in PVC Flexible?
Yes, PVC Flexible is rated A for Potassium Cyanide.