| Item | ZS-G | ZS-Z | ZS-65A | ZS-65B | ZS-63 |
| ZrO(%) | ≥65 | ≥68 | ≥65 | ≥65 | ≥63 |
| SiO₂(%) | ≤33 | ≤30 | ≤33 | ≤33 | ≤35 |
| Fe₂O₃(%) | ≥0.2 | ≥0.2 | ≥0.2 | ≥0.2 | ≥0.2 |
| TiO₂(%) | ≤1.2 | ≤1.2 | ≤1.2 | ≤1.2 | -- |
| Apparent Porosity(%) | ≤10 | ≤11 | ≤17 | ≤19 | ≤20 |
| Bulk Density (g/cm³) | ≥4.30 | ≥4.10 | ≥3.70 | ≥3.60 | ≥3.55 |
| Cold Crushing Strength (Mpa) | ≥300 | ≥200 | ≥100 | ≥80 | ≥60 |
| 0.2Mpa Refractoriness Under Load (℃) | ≥1700 | ≥1700 | ≥1680 | ≥1650 | ≥1600 |
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