Complaint
Testing Item | Standard | Result |
Zinc sulfate/% | ≥94.7 | 95.2 |
Zinc(powder Zn)/% | ≥34.5 | 35.3 |
Zinc(granule Zn)/% | ≥33 | 33.2 |
Heavy Metal (Pb)/% | ≤0.0010 | 0.0004 |
Water Insoluble/% | ≤0.05% | 0.018% |
Size(powder pass 0.5mm test sieve)/% | ≥95% | conforms |
Size(granule pass 1-2mm test sieve)/% | ≥95% | conforms |
Size(granule pass 2-4mm test sieve)/% | ≥95% | conforms |
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides | ||
1, Zinc sulfate is used as trace element fertilizer to prevent crops from Zn deficiency and increase crop yields. Now more andmore farmers apply micronutrient fertilizers such as zinc sulfate.
2, It can be used as feed additive to supply trace element, prevent and cure some diseases because of zinc deficiency and prevent premature death. It also can increase appetite, control blood disorders and bone disease.
3, In industry field, zinc sulfate works as coagulator for man made fibril, and mordant in dyeing and printing industry.
Q: What documents you provide?
A: Usually, we provide Commercial Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know
