| Testing Items | Specifications | Results |
| Appearance | White powder or sand crystals | Conforms |
| SiO2 | ≤0.02% | 0.012% |
| Residue on ignition | ≤35.0% | 28.0% |
| Fe2O3 | ≤0.005% | 0.001% |
| Na2O | ≤0.30% | 0.12% |
| Assay (Al2O3) | 64.5% | 64.90% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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