FIELD: metallurgy.
SUBSTANCE: slag forming mixture contains (wt %): feldspar (amazon-stone) (23-29), Portland cement (43-45), ground coke (8-11), rice husks (13-16), aluminium powder (1-2) and fluorspar (4-5).
EFFECT: reduced exhaust of fluorine out of mixture into atmosphere during casting and increased resistance of refractory lining of ladle in zone of contact of slag forming mixture with melted metal.
3 cl, 1 tbl, 1 ex
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