Low cenment refractory castable low porosity rate, good strengh, high refractoriness and high ... spalling resistance,shock resistance,and corrosion resistance are strong. This castable is widely in thermal equipment,e.g. hot blast furnace ... industry,boilers in the power industry,furnace in the building material industry.itemCAG-1(Hydraulicity)AL2O3%≥70refractory1770permanent linear change 1.5 ...