The mullitization of andalusite from Xinjiang,Chi-na and influence of aggregates on properties of alumino-silicate refractories were studied by XRD,SEM,EDS,DSC.
MgO-ZrO2 unfired bricks with ZrO2 content up to 8% at the interval of 2% were prepared,using fused magnesia(mgo:97%)and fused MgO-ZrO2 clinker (ZrO2:14.33%) as