Specification:
|
Better grade |
Best grade |
Assay |
|
≥99% |
Free acidity |
|
≤0.1% |
Sulfate |
|
≤0.02% |
Chloride |
|
≤0.1% |
Heavy metal |
≤0.01% |
≤0.01% |
Moisture |
≤0.5% |
≤0.2% |
Particle size |
90%through 80# Mesh |
100%through 80# Mesh |
Insolubility in Water |
≤0.5% |
≤0.1% |
Package
N.W.25kg bags,woven plastic sack. |