| 摘要 |
<p>This invention relates to a heat insulating article for the treatment of molten steel comprising a basic mixture of 50 to 95% by weight of refractory materials, 0.5 to 40 % by weight of inorganic fibrous materials and 1 to 10 % of binder, characterized by including 1 to 10% by weight of a chrome-containing material in terms of chrome oxide (Cr2O3).</p> |
