| 摘要 |
Greasing-insulating powder for continuous steel casting, especially coal and low-alloyed steel, consisting of mineral dusts, fluxing agents consisting of sodium carbonate and fluorite and C element carrier, characterised in that 65 weight percent of slag forming component, 15-25 weight percent of sodium carbonate , 10-20 weight percent of fluorite and 4-12 weight percent of graphite are used as mineral dusts. |
