FIELD: construction.
SUBSTANCE: invention relates to building materials industry and concerns compositions of ceramic masses for a wall materials production: face brick, blocks. Ceramic mass for the wall materials production contains, mass%: montmorillonite clay 10.0–15.0; kaolin 69.5–71.5; silica sand 9.25–14.15; alumina 4.0–6.0; spent–soap lye 0.25–0.35.
EFFECT: higher strength.
1 cl, 1 tbl
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|
RU2562074C1 |
