| 摘要 |
A protective coating material, for the refractory elements of a continuous metal (especially steel) casting mould, consists of a solvent dispersion of particles of one or more metal oxides, selected from zircon, zirconia, alumina and silica, and 20-50 wt.% boron nitride. Also claimed is a refractory element for a continuous metal (especially steel) casting mould, the element being coated with a protective layer (13, 14, 14') formed by applying and then drying the above protective coating material. |
