Compatibility Rating
At 20°C
Excellent
Excellent resistance - recommended for continuous use
At 50°C
Excellent
Excellent resistance - recommended for continuous use
Why is PVDF resistant to Sodium Sulfide?
PVDF shows excellent resistance to Sodium Sulfide due to its fluorinated polymer backbone providing excellent resistance to acids, bases, and organic solvents.
⚠️ When NOT to use PVDF
Avoid using Polyvinylidene Fluoride with strong bases (NaOH >10%), ketones, esters, and amines. Service temperature up to 150°C.
Comparison Table — All Materials for Sodium Sulfide
| 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 | NR | NR |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | A | NR |
| Silicone | NR | NR |
| SS 316 | A | B |
| SS 304 | A | B |
| Aluminium | C | D |
| PVC Rigid | NR | NR |
| PVC Flexible | NR | NR |
| PMP | NR | NR |
| Polystyrene | NR | NR |
| SAN | NR | NR |
| Polycarbonate | C | NR |
| PETG | A | NR |
| Acetal (POM) | A | A |
| Nylon (PA) | A | NR |
| 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 150°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PTFE for broader resistance. View all materials for Sodium Sulfide →
FAQ
Is PVDF resistant to Sodium Sulfide?
PVDF has Excellent (A) resistance to Sodium Sulfide at 20°C.
Can I store Sodium Sulfide in PVDF?
Yes, PVDF is rated A for Sodium Sulfide.