C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
53/103, 31/67
C21C 7/00 (2006.01) B22D 7/10 (2006.01)
Patent
CA 1046262
ABSTRACT OF THE DISCLOSURE A heat-insulating agent for molten metal comprising a burned material obtained by light-burning a dehydrate of sludge discharged in pulping/or paper-making procedures and a method of insulating a molten metal from loss of heat comprising covering the surface of the molten metal with a layer of the heat-insulating agent.
211162
Aikoh Co.
Na
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