Az általános agyagtéglák az Al2O3 leggyakoribb tűzálló téglájára utalnak< 40%.="" the="" service="" temperature="" is="" lower="" than="" 1200="" ℃,="" which="" is="" widely="" used="" and="" is="" required="" by="" almost="" all="" industrial="" kilns.="" with="" the="" increase="" of="" blast="" furnace="" hot="" blast="" furnace="" stroke="" temperature,="" higher="" requirements="" are="" put="" forward="" for="" clay="" brick's="" high="" temperature="" resistance,="" erosion="" resistance="" and="" creep="" resistance.="" therefore,="" low="" creep="" clay="" brick="" meets="" the="" requirements="" and="" replaces="" the="" general="" clay="" brick.="" the="" addition="" of="" mullite="" softens="" the="" creep="" rate="" of="" the="" medium="" weight="" masonry="" stone="" under="" high="" temperature,="" and="" reduces="" the="" creep="" rate="" of="" the="" brick="" under="" high="">
