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| Product Name: Zinc Sulphate Granular | Molecular Formula：ZnSO4·H2O |
| Item | Indicators |
| ≥ Assay (Zn), % min | 21 |
| ≤ Cd(as Cd) max | 10ppm |
| ≤ Arsenic(asAs) max | 5ppm |
| ≤ Lead (as Pb) max | 10ppm |
| Particle size (mm) | 2-4MM |
| Conclusion: This product conforms to requirements of GB/T25865-2010 |
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