Use in cement and steel industries. Refractory gunning is composed of refractory aggregates and powders with a certain particle size, binding agent and admixture. According to the material, there are alkaline, aluminum silicate, zirconium-containing and silicon carbide-containing. Refractory gunning mix is mainly used for repairing of steel and non-ferrous metal smelting furnaces and heating furnaces.
Material | Percentage | Typical |
---|---|---|
Al2O3 | 24-27 % | - |
SiO2 | 40-43 % | - |
Fe2O3 | 5-8 % | - |
CaO | 12-15 % | - |