| 摘要 |
1. Refractory insulating gunning composition for distributing vessels of continuous casting installations, which comprises a basic refractory material, such as magnesia, magnesia chromite, chromite magnesia, or magnesium silicate material, and an inorganic binder, such as sodium silicate, magnesium sulfate or a phosphate, characterized in that it comprises 46% to 80% by weight magnesia and 16% to 50% by weight chromite, chromite magnesia, forsterite or serpentine as refractory material, 0.5% to 2% by weight of a polysaccharide rapidly swelling in water, such as a galactomannan of the type of carob bean gum or guar gum, wherein the refractory material has a gap in grain sizing between 0.1 mm and 0.5 mm and a content of 6% to 14% by weight of grains of a size less than 0.063 mm. |
