FIELD: ceramic compositions.
SUBSTANCE: raw mixture comprises, in mass%, 8.81-9.37 of micro-silicon dioxide, 50.0-53.3 of ash-priming, 3.12-8.6 of carbon lining, 0.06-0.072 of aluminum powder, 0.02-0.31 of sodium carboxymethyl cellulose, and 33.8-35.07 of water. The method comprises preparing the mixture, molding, swelling by vibration, drying at a temperature of 100°C, and roasting at a temperature 800°C.
EFFECT: enhanced strength.
2 cl, 2 tbl, 1 ex
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