High-quality silica bricks are mainly used for the partition walls of carbonization chambers and combustion chambers of coke ovens, regenerators and slag chambers of steel-making open-hearth furnaces, soaking furnaces, refractory materials of glass melting furnaces, and ceramic firing kilns. The roof and other load-bearing parts are also used for the high-temperature load-bearing parts of hot blast stoves and the roof of acid open hearth furnaces.

项目 Item	优质硅砖 High Quality Silica Brick
	GB-96A	GB-96B	GB-95A	GB-95B
SiO2 (%)	≥96	≥96	≥95	≥95
Fe2O3 (%)	≤0.6	≤1.0	≤1.2	≤1.2
熔融指数(%) Melt Index	≤0.5	≤0.5	--	--
显气孔率(%) Apparent Porosity	≤21	≤21	≤22	≤22
真密度(g/cm3) True Density	≤2.34	≤2.34	≤2.34	≤2.34
常温耐压强度(Mpa) Cold Crushing Strength	≥40	≥40	≥30	≥30
荷重软化开始温度(℃) (0.2Mpa) Refractoriness under Load	≥1680	≥1670	≥1660	≥1650
残余石英 (%) Residual Quartz	≤3.0	≤3.0	≤3.0	≤3.0
重烧线变化率 (%) (1450℃x2h) Reheating Linear Change Rate	0-0.2	0-0.2	0-0.2	0-0.2
典型应用 Typical Application	优质硅砖主要用于炼焦炉的炭化室和燃烧室的隔墙、炼钢平炉的蓄热室和沉渣室、均热炉、玻璃熔窑的耐火材料和陶瓷的烧成窑等窑炉的拱顶和其他承重部位，也用于热风炉的高温承重部位和酸性平炉炉顶。 High-quality silica bricks are mainly used for the partition walls of carbonization chambers and combustion chambers of coke ovens, regenerators and slag chambers of steel-making open-hearth furnaces, soaking furnaces, refractory materials of glass melting furnaces, and ceramic firing kilns. The roof and other load-bearing parts are also used for the high-temperature load-bearing parts of hot blast stoves and the roof of acid open hearth furnaces.