HT-RAM 961/981 series material is mainly composed of alumina, added with a certain proportion of high-temperature agglutinant; the ramming material reacts at high temperature to form magnesium-aluminum spinel, which makes the material have excellent volume stability and high erosion resistance ability;
HT-RAM958 series material is mainly composed of magnesium oxide, partly added with a certain proportion of high-purity alumina, which reacts at high temperature to form magnesium-aluminum spinel. This series of materials not only maintains the high corrosion resistance of high magnesia materials, but also has better volume stability than ordinary magnesia materials, and can reduce the cracks and spalling of furnace lining.
