【镁砖】

 转炉的****衬。中高档镁砖的烧成温度在1600℃以上。-其@HMZ一98—2采用HMS98砂生产，原料 C／S>12．0，显微结构合理，基质相以C3S＼C2S为主，具有较高的耐火度，很好的耐碱性能和较高的荷重软化开始温度，主要用于玻璃窑蓄热室及其它高温窑炉。

Mgnesia Brick

Common magnesia brick is made from common magnesia，after crushin9，mixing and shapin9，firedunder the temperature at l550-1600℃，which is mainly applied in the bottom，wall of EAF and the perma- nent lining of oxygen converters．The firing temperature of middle—grade and high。grade magnesia brick is above l 600℃．HMZ．98—2 is made from HMS98 clinker，C／S>2．0，with reasonable micro structure．It IS

characterized by high refractoriness，good alkali resistance and superior refractoriness under load，and it

is mainly applied to the regenerators of glass kilns and other high temperature furnaces．