Zinc Sulfate Corrosion Inhibitor Grade
CAS Number: 7733-02-0
Zinc-based cathodic corrosion inhibitor for open recirculating cooling water. Works synergistically with phosphonates and phosphates to form zinc-phosphate protective film.
Technical Specifications
| packaging | 25 kg bags |
| ZnSO4 7H2O | ≥ 99% |
| Zn content | ≥ 22.5% |
| appearance | White crystalline powder |
| pH 5% solution | 4.0–5.5 |
Applications
- Open recirculating cooling towers
- Industrial cooling water programs
- Combined zinc-phosphonate programs
Key Features
- Cathodic inhibitor — complements anodic types
- Synergistic with HEDP/phosphate
- Low cost per ppm of zinc
- Well-understood chemistry