Complaint
| Testing Item | Standard | Result |
| Zinc sulfate/% | ≥94.7 | 97.07 |
| Zinc(powder Zn)/% | ≥34.5 | 35.3 |
| Zinc(granule Zn)/% | / | 33.2 |
| Arsenic (As)/% | ≤0.0005 | 0.0003 |
| Heavy Metal (Pb)/% | ≤0.0020 | 0.0010 |
| Cadmium(Cd)/% | ≤0.0030 | 0.0010 |
| Water Insoluble/% | ≤0.05% | 0.018% |
| Size(powder pass 0.5mm test sieve)/% | ≥95% | PASS |
| Size(granule pass 1-2mm test sieve)/% | ≥95% | PASS |
| Size(granule pass 2-4mm test sieve)/% | ≥95% | PASS |
| Note: When a user with special requirements for fineness, negotiated by the supply and demand sides | ||
