Abstract
The composition was developed for a high-alumina chrome-aluminophosphate bonded ramming compound for the lining of the runners of high-frequency induction furnaces for melting cast iron. Industrial scale tests showed that these compounds are very durable and remain serviceable for two and a half to three months. The results of this investigation make it possible to recommend that industrial trials be carried out with runners fabricated from ramming compounds containing added orthophosphoric acid which are produced by the Semiluk Refractories Plant and supplied in ready-for-use form.
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