发明名称 SLIDING NOZZLE FILLER
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>
申请公布号 WO1997005978(P1) 申请公布日期 1997.02.20
申请号 JP1996002257 申请日期 1996.08.08
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