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Current position： home REFRACTORY & INSULATION DIVISION APPLICATIONS Refractory For Iron & Steel detail

Silica bricks used in the high-temperature load-bearing parts of hot blast stoves and the top of acid open hearth furnaces.

Item 项目		Silica bricks for hot blast stove 热风炉用硅砖
Item 项目		GZ-95	GZ-94	GZ-93
Al₂O₃(%)	≥	95	94	93
Apparent Porosity 显气孔率(%)	≤	22	23	25
Refractoriness 耐火度(℃)	≥	1710	1710	1690
Cold Crushing Strength 常温耐压强度(Mpa)	≥	29.4	24.5	19.6
Refractoriness under Load 荷重软化开始温度(℃) (0.2Mpa)	≥	1650	1640	1620
Trure Density 真密度（g/cm3)	≤	2.37	2.38	2.39

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