FOB Price (Per Ton)
Type of Packaging :
| Index | Specification |
|---|---|
| Na₂S₂O₅ Content | Minimum 97.0% |
| SO₂ Content | Minimum 65.3% |
| Heavy Metals (as Pb) | Maximum 0.0010% |
| Iron (Fe) | Maximum 0.0050% |
| Water Insoluble Matter | ≤ 0.05% |
| pH Value (1% solution) | 4.0 – 4.5 |
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