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|  产品详细介绍 |  
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| 项 目 \ 牌 号 |  |  |  |  |  |  
|  |  |  |  |  |  |  |  |  
| Al2O3 % | ≤1.0 | ≥42 | ≥40 | ≥65 | ≥55 | ≥48 | ≥42 | ≥55 |  
| Fe2O3 % | ≤1.3
 |  |  |  |  |  | ≤1.6 | ≤1.35 |  
| SiO2 % | ≥95 |  |  |  |  |  |  | ≤40 |  
| MgO % |  |  |  |  |  |  |  | 1.7~3.0 |  
| 耐火度 ℃ |  | ≥1750 | ≥1730 | ≥1790 | ≥1770 | ≥1750 |  |  |  
| 显气孔率 % 
 | ≤22(24) | ≤24 | ≤24 | ≤24 | ≤24 | ≤24 | ≤16 | 25(26) |  
| 体积密度 g/cm3 
 | 显密度≤2.32
 
 |  |  |  |  |  | ≥2.30 | ≥2.15(2.10)
 |  
| 常温耐压强度 Mpa 
 | ≥45(35)
 | ≥29.4 | ≥24.5 | ≥49.0 | ≥44.1 | ≥39.2 | ≥60(50) | ≥50(40) |  
| 荷重软化温度KD ℃ 
 | ≥1650 | ≥1400 | ≥1350 | ≥1500 | ≥1470 | ≥1420 | T2≥1480 |  |  
| 重烧线变化率 %
 |  | 1450℃×2h0~-0.4
 | 1350℃×2h0~-0.3
 | 1500℃×2h+0.1~-0.4
 | 1500℃×2h+0.1~-0.4
 
 | 1450℃×2h+0.1~-0.4
 
 | 1450℃×4h0~-0.2
 
 |  |  
| 热震稳定性,次(1100℃ 水冷) 
 |  |  |  |  |  |  |  | ≥80 |  
| 0.2MPa蠕变率 % 1550℃×50h
 
 | ≤0.8 |  |  |  |  |  |  |  |  
| 使用部位 | 热风炉大墙格子 | 热风炉陶瓷燃烧器 |  |  |  
注:括号内的数值适用于格子砖或手工成型制品
 |  |  |  | 【返回】 【关闭】 |  |  |  |  |  |