The product is mainly used for the lower section, second section and third section of the converter. Operating temperature 410 ℃ -620 ℃.
It has the advantages of high specific surface area and porosity, low bulk density, 14% -16% lower than that of similar products in China. The activity is higher than that of domestic similar products by 3% -5%. The strength uniformity Good, small deviation, anti-powdering ability.