FIELD: metallurgy.
SUBSTANCE: invention can be used for manufacturing moulds used in the production of cast bimetallic hot-forming dies, moulds for pressure moulding, forging dies for solid liquid forging. The moulding mixture contains, % by weight: a steel shot of 50-60, flue gas dust of electric arc furnaces 4-6, phenol-formaldehyde resin 3-6, a 25% aqueous solution of copper nitrate crystalline and a 16% aqueous solution of cobalt diamide as a catalyst 0.3-0.6, zircon sand as a filler is the rest.
EFFECT: increased gas permeability of the mixture refractory properties.
1 cl
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