項目 Ltem | 燒結AZS-30 | 燒結AZS-20 | 燒結AZS-10 |
ZrO2% | ≥30 | ≥20 | ≥10 |
AL2O3% | ≥38 | ≥45 | ≥62 |
SiO2% | ≤25 | ≤22 | ≤18 |
Fe2O3% | ≤1.0 | ≤1.0 | ≤1.0 |
顯氣孔率% Apparent porosity | ≤18 | ≤18 | ≤18 |
體積密度g/cm3 Bulk density | ≥3.3 | ≥3.2 | ≥3.1 |
常溫耐壓強度MPa Cold crushing strength | ≥100 | ≥100 | ≥100 |
荷重軟化開始溫度℃(0.2MPa ,0.6%) Refractoriness under load | ≥1680 | ≥1680 | ≥1650 |
水冷試驗(次) | ≥20 | ≥18 | ≥12 |