Compatibility Rating
At 20°C
Excellent
Excellent resistance - recommended for continuous use
At 50°C
Good
Good resistance - suitable for intermittent contact
Why is PVC Rigid resistant to Stearic Acid?
PVC Rigid shows excellent resistance to Stearic Acid due to its chlorinated structure providing resistance to acids, alkalis, and many inorganic chemicals.
⚠️ When NOT to use PVC Rigid
Avoid using PVC (Rigid) with ketones, esters, aromatic and chlorinated solvents. Maximum temperature around 60°C.
Comparison Table — All Materials for Stearic Acid
| Material | 20°C | 50°C |
|---|---|---|
| HDPE | A | C |
| LDPE | A | C |
| PP | A | C |
| PTFE | A | A |
| PVDF | A | A |
| FEP | A | A |
| ECTFE/ETFE | A | A |
| EPDM | C | NR |
| Viton (FPM) | A | A |
| NBR | C | C |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | A | A |
| PVC Rigid | A | B |
| PVC Flexible | A | A |
| PMP | A | A |
| Polystyrene | A | B |
| SAN | A | A |
| Polycarbonate | A | B |
| PETG | A | NR |
| Acetal (POM) | A | NR |
| Nylon (PA) | A | NR |
| Polysulfone | B | B |
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 60°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PP or PVDF for higher temperatures. View all materials for Stearic Acid →
FAQ
Is PVC Rigid resistant to Stearic Acid?
PVC Rigid has Excellent (A) resistance to Stearic Acid at 20°C.
Can I store Stearic Acid in PVC Rigid?
Yes, PVC Rigid is rated A for Stearic Acid.