HYDROCHLORIC ACID 37% Chemical Compatibility
Hydrochloric acid is an aqueous solution of hydrogen chloride gas. Hydrochloric acid is an important and widely used chemical. The largest end uses for hydrochloric acid are steel pickling, oil well acidizing, food manufacturing, producing calcium chloride, and ore processing. Hydrochloric Acid is very toxic and extremely corrosive. In concentrations above 20%, consider a bolted, sealed manway to keep fumes from escaping. The use of a fume scrubber should be seriously considered.
At a glance
HDPE is the most economical tank material for Hydrochloric Acid 37%, rated Excellent. PVDF (Kynar®) is also rated Good or better. Rated Fair (contact us before use): polypropylene tanks, polypropylene fittings and EPDM gaskets.
- Excellent No or minor effect. Recommended.
- Good Slight effect. Generally suitable.
- Fair Moderate effect. Limited or conditional use — contact us.
- Not Recommended Severe effect. Do not use.
- No Data Not tested. Contact us before use.
Tank Resins
How Hydrochloric Acid 37% works with the plastics used to make our storage tanks.
| Material | Rating |
|---|---|
| HDPE | |
| Polypropylene | |
| Nylon | SEVERE EFFECT |
| PVDF (Kynar®) |
Fittings
How Hydrochloric Acid 37% works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | |
| PVC | |
| CPVC | |
| Polypropylene | |
| PVDF |
Gaskets & O-Rings
How Hydrochloric Acid 37% works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | |
| EPDM | |
| Viton® |