... material, electric power and machine-building Main properties of water-free gun clay: Compression strength, at normal tem, MPa110 ... degree centigrade 24h≥5Folding strength, at normal temp, Mpa110 degree centigrade 24h≥0.8Volume density g/cm3110 ... including prefabricated iron runner blocks, castable refractory for iron runner, water-free gun clay, composite iron pellets, etc. These products ...