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We Can Provide
- 1. We can provide mixed containers with different mixed items in one container.
- 2. We will control the quality, and offer free samples for test before shipment. After shipment we will keep the samples for 3 years.
- 3. We can arrange shipment promptly with professional documents.
- 4. We can make the packages as your request and send you photos before shipment.
- 5. BBK shipment is available.
molecular formula：ZnSO4·7H2O
| Items | indexes | |||
| Class 1 | Class 2 | Class 3 | ||
| (Zn)content, % | 22.51 | 22.06 | 20.92 | |
| (ZnSO4 .7H2O) content, % ≥ | 99 | 97 | 92 | |
| Insoluble content, % ≤ | 0.02 | 0.05 | 0.1 | |
| PH ≥ | 3 | 3 | — | |
| (Pb) content, % ≤ | 0.001 | 0.01 | 0.01 | |
| (Fe) content, % ≤ | 0.003 | 0.02 | 0.06 | |
| (Mn) content, % ≤ | 0.005 | 0.1 | — | |
| (Cd) content, % ≤ | 0.001 | 0.01 | — | |
Usage:
Agricultural use as zinc fertilizer
Zinc Mine Processing
Prevention of foot-and-mouth disease in cattle and sheep
Manufacturing of zinc barium white and other zinc salts
Production of viscose fibers and vinylon fibers as auxiliary raw materials
Use as a mordant in printing and dyeing, and as a preservative for wood and leather
Prevention and treatment of diseases in fruit tree nurseries
Use in the coagulation bath for producing artificial fibers
