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.
HDPE is the most economical tank material for Hydrochloric Acid 37%, rated Excellent. PVDF (Kynar®) is also rated Good or better. Avoid nylon tanks; 316 stainless steel and aluminum hardware. Rated Fair (contact us before use): polypropylene tanks, polypropylene fittings and EPDM gaskets.
How Hydrochloric Acid 37% works with the plastics used to make our storage tanks.
| Material | Rating |
|---|---|
| HDPE | |
| Polypropylene | |
| Nylon | |
| PVDF (Kynar®) |
How Hydrochloric Acid 37% works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | |
| PVC | |
| CPVC | |
| Polypropylene | |
| PVDF |
How Hydrochloric Acid 37% works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | |
| EPDM | |
| Viton® |
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