Zinc Sulfate (ZnSO4, CAS 7733-02-0) solution is a clear, mildly acidic liquid with a specific gravity of about 1.18 for this entry. It is used as a micronutrient fertilizer and animal feed supplement, in rayon production, electrogalvanizing, mineral flotation, and as a coagulant and corrosion inhibitor in water treatment. Zinc sulfate solutions are mildly corrosive to steel and galvanized metal. Use the compatibility ratings to choose the right tank resin, fittings and gaskets.
HDPE is the most economical tank material for Zinc Sulfate, rated Excellent. Polypropylene, nylon and PVDF (Kynar®) are also rated Good or better. Avoid aluminum hardware.
How Zinc Sulfate works with the plastics used to make our storage tanks.
| Material | Rating |
|---|---|
| HDPE | |
| Polypropylene | |
| Nylon | |
| PVDF (Kynar®) |
How Zinc Sulfate works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | |
| PVC | |
| CPVC | |
| Polypropylene | |
| PVDF |
How Zinc Sulfate works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | |
| EPDM | |
| Viton® |
Talk to a tank specialist