摘要 |
<p>A sliding nozzle filler containing 70 to 90 wt.% of chromite sand and 10 to 30 wt.% of silica sand, the chromite sand containing sand having a particle size distribution of 500 to 1000 νm. The sliding nozzle filler is not readily fused, sintered and penetrated by a molten metal (molten steel) which is poured into a ladle in a steelmaking factory, whereby the nozzle filler can easily fall to make a hole.</p> |