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|  产品详细介绍 |  
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| 项 目 \ 牌 号 | EA98 | EA90 | EAM80 | EM75 | ESA75 | ESA65 | EA90CS | EA90C | EA90T | EAM85T | EA70T | AZ28 |  
| Al2O3 % | ≥98 | ≥90 | ≥80 | ≥75 | ≥75 | ≥65 | ≥90 | ≥90 | ≥90 | ≥85 | ≥70 | ≥50 |  
| Fe2O3 % | ≤0.3 | ≤0.5 | ≤0.5 | ≤0.6 | ≤1.8 | ≤2.0 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.4 | ≤0.5 | ≤0.5 |  
| ZrO2 % |  |  |  |  |  |  |  |  |  |  |  | ≥28 |  
| 显气孔率 % 
 | ≤22 | ≤20 | ≤18 | ≤20 | ≤19 | ≤21 | ≤18 | ≤20 | ≤16 | ≤16 | ≤17 | ≤20 |  
| 体积密度 g/cm3 
 | ≥3.0 | ≥2.85 | ≥2.70 | ≥2.55 | ≥2.65 | ≥2.5 | ≥2.90 | ≥2.85 | ≥2.95 | ≥2.60 | ≥2.50 | ≥3.15 |  
| 常温耐压强度 Mpa 
 | ≥80 | ≥80 | ≥60 | ≥60 | ≥60 | ≥55 |  |  |  |  |  | ≥80 |  
| 高温抗折 Mpa |  |  |  |  |  |  | 1500℃×0.5h≥10
 | 1450℃×0.5h≥10
 | 1500℃×0.5h≥10
 | 1450℃×0.5h≥10
 | 1400℃×0.5h≥10
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| 荷重软化温度 KD ℃ | ≥1700 | ≥1650 | ≥1650 | ≥1700 | ≥1520 | ≥1500 | ≥1700 | ≥1700 | ≥1700 | ≥1700 | ≥1650 | T2≥1620 |  
| 重烧线变化率 % | 1600℃×2h±0.1
 | 1600℃×2h-0.1~+0.3
 | 1500℃×2h-0.1~+0.1
 | 1500℃×2h±0.1
 | 1500℃×2h0~+0.3
 | 1500℃×2h0~+0.3
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| 热震稳定性,次(1100℃ 水冷) |  |  |  | ≥10 | ≥10 | ≥10 | 优 | 优 | 优 | 优 | 优 | 优 |  
| 使用部位 | 炉底 | 滑轨 | 炉顶 | 侧墙 | 侧墙、炉顶、低滑区 | 侧墙、炉顶、低滑区 | 高温 承接板 | 低中温承接板 | 高温推板 | 中温推板 | 低温推板 | 支撑拱顶 |  |  |  
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