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Item/Type | Index | ||||||||||||
ZYL-90 | ZYL-80 | ZYL-70 | ZYL-60 | ZYL-50 | |||||||||
Al2O3 %,≥ | 90 | 80 | 70 | 60 | 50 | ||||||||
Bulk density,g/cm3 ≥ | 110°C×24h Drying after | 2.95 | 2.75 | 2.60 | 2.50 | 2.40 | |||||||
1500°C×3h After burn with fire | 2.90 | 2.70 | 2.60 | 2.40 | 2.40 | ||||||||
Compression strength ≥ MPa | 110°C×24h Drying after | 55 | 45 | 45 | 40 | 40 | |||||||
1500°C×3h After burn with fire | 80 | 75 | 70 | 60 | 60 | ||||||||
The flexural strength ≥ MPa | 110°C×24h Drying after | 10 | 7 | 6 | 6 | 6 | |||||||
1500°C×3h After burn with fire | 13 | 10 | 10 | 8 | 8 | ||||||||
Linear change rate, % ≤ | 110°C×24h Drying after | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | |||||||
1500°C×3h After burn with fire | -0.4 | -0.5 | -0.5 | -0.5 | -0.5 | ||||||||
Highest using temperature | 1800 | 1600 | 1500 | 1450 | 1400 | ||||||||
Application | All industrial furnace | ||||||||||||










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