FIELD: production of right-side ceramic materials. SUBSTANCE: raw material mixture includes fly ash from burning of brown coal, microsilica from production of crystal silicon, 5-% emulsion of tall oil pitch in 2-% aqueous solution of Na2CO3 at the following ratio of components, mas.%: fly ash, 24.4-32.0; microsilica, 56.9-48.0; emulsion of tall oil pitch, 18.7-20.0. EFFECT: reduced water absorption, and increased reliability and resistance to cold. 2 tbl, 1 ex _
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Authors
Dates
2002-10-20—Published
2001-02-06—Filed