Compatibility Rating
📊 Note: Hydrochloric Acid resistance varies by concentration. Data available for: 1-5 %, 20 %, 35 %. Search for specific concentrations →
Why is Aluminium rated this way to Hydrochloric Acid?
Aluminium is not recommended for use with Hydrochloric Acid. Significant degradation or failure is expected.
⚠️ When NOT to use Aluminium
Avoid using Aluminium with strong acids (HCl, H₂SO₄), strong alkalis (NaOH), and mercury compounds which destroy the protective oxide layer.
Comparison Table — All Materials for Hydrochloric Acid
| 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 | A | A |
| EPDM | A | NR |
| Viton (FPM) | A | A |
| NBR | D | D |
| Silicone | NR | NR |
| SS 316 | D | D |
| SS 304 | D | D |
| Aluminium | D | D |
| PVC Rigid | A | C |
| PVC Flexible | NR | NR |
| PMP | A | B |
| Polystyrene | A | A |
| SAN | NR | NR |
| Polycarbonate | B | C |
| PETG | C | NR |
| Acetal (POM) | D | D |
| Nylon (PA) | D | D |
| Polysulfone | A | A |
A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data
FAQ
Is Aluminium resistant to Hydrochloric Acid?
Aluminium has Poor (D) resistance to Hydrochloric Acid at 20°C.
Can I store Hydrochloric Acid in Aluminium?
Caution - Aluminium is rated D for Hydrochloric Acid.
📊 Note: Hydrochloric Acid resistance varies by concentration. Data available for: 1-5 %, 20 %, 35 %. Search for specific concentrations →