Purpose:
1. Used for preparing zinc supplements, astringents, etc
2. Used as a mordant, wood preservative, bleaching agent in the papermaking industry, as well as in pharmaceuticals, artificial fibers, electrolysis, electroplating, pesticides, and the production of zinc salts
project | index | ||
crystallize | crystallize | particle | |
zinc | ≥21% | ≥22% | ≥15-22% |
arsenic | ≤0.0005 | ≤0.0005 | ≤0.0005 |
cadmium | ≤0.002 | ≤0.002 | ≤0.002 |
Heavy metals (lead) | ≤0.001 | ≤0.001 | ≤0.001 |
Water insoluble substance | ≤0.05% | ≤0.05% | ≤0.05% |
ph value | |||
Fineness | 10-20mesh | 10-20mesh | 2-4mesh |
Packaging and storage and transportation:
Packed in plastic woven bags lined with polyethylene plastic bags, with a net weight of 25kgs or 1000kgs per bag