| Testing Items | Specifications | Results |
| Appearance | White powder | Conforms |
| SiO2 | ≤0.02% | 0.012% |
| Residue on ignition | ≤1.0% | 0.08% |
| Fe2O3 | ≤0.02% | 0.008% |
| Na2O | ≤0.50% | 0.36% |
| Assay (Al2O3) | 98.6% | 98.82% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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