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  • 玻璃窑用优质硅砖.jpg

焦炉用硅砖


焦炉用硅砖YB/T5013_7997 项目规定值复验时单值允许偏差炉底、炉壁其他(SiO2)/%≥94.5-(Al2O3)/%≤1.5-(Fel2O3)/%≤1.5-(CaO)/%≤2.5-显气孔率/%≤2224+1常温耐压强度/Mpa≥403510%0.2Mpa荷重软化开始温度℃≥1650-10真密度/(g/cm3)≤2.332.34+0.01残余石英/%≤1.0-加热永久线变化(1450℃×2

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Silica bricks for coke oven

焦炉用硅砖

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