| 摘要 |
<p>In order to reduce variation in strength of refractories which comprise, in the refractory raw material, scale-like flake powder (aluminum flakes) composed of aluminum and/or aluminum alloy, and which are used in an industrial kiln, in particular, refractories used in iron making and steel making processes in the iron and steel industry, scale-like non-leafing aluminum flakes composed of a non-leafing type aluminum and/or aluminum alloy has been contained in the refractory raw material.</p> |
