Compatibility Rating
At 20°C
Good
Good resistance - suitable for intermittent contact
At 50°C
Good
Good resistance - suitable for intermittent contact
Why is Polysulfone resistant to Calcium Hydroxide?
Polysulfone shows good resistance to Calcium Hydroxide due to its sulfone group providing thermal and chemical stability up to 150°C.
⚠️ When NOT to use Polysulfone
Avoid using Polysulfone (PSU) with ketones, esters, and chlorinated solvents. Excellent for hot water and steam applications.
Comparison Table — All Materials for Calcium Hydroxide
| 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 | A | A |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | A | NR |
| Silicone | NR | NR |
| SS 316 | A | A |
| SS 304 | A | A |
| Aluminium | C | D |
| PVC Rigid | A | A |
| PVC Flexible | A | NR |
| PMP | A | A |
| Polystyrene | B | B |
| SAN | NR | NR |
| Polycarbonate | D | D |
| PETG | A | NR |
| Acetal (POM) | A | A |
| 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 150°C — above this, degradation risk increases significantly.
🔄 Better Alternative?
Consider: PVDF or PTFE. View all materials for Calcium Hydroxide →
FAQ
Is Polysulfone resistant to Calcium Hydroxide?
Polysulfone has Good (B) resistance to Calcium Hydroxide at 20°C.
Can I store Calcium Hydroxide in Polysulfone?
Yes, Polysulfone is rated B for Calcium Hydroxide.