supply various Refractory material, such as Fire Bricks High alumina brick Insulation brick TM23, TM26, TM28 aid brick,Clay FOR ... supply various Refractory material, such as 1)Fire Bricks2)High alumina brick3)Insulation brick TM23, TM26, TM284)Resist aid brick 5 ... .4porosity≤%2322pressure resistance at normal tempMpa53.94944.139.2 high alumina brick