FIELD: construction.
SUBSTANCE: invention relates to the industry of construction materials and relates to ceramic mixtures for making bricks. Ceramic mass for making bricks contains, wt%: brick clay 82.8–86.2; ground brick wastes after drying 0.5–1.0; ground breakage of ceramic bricks after firing 0.5–1.0; quartz sand 10.0–14.0; portland cement or slag portland cement 0.9–1.2; naphta-soap 0.5–1.0; calcium borate 0.1–0.3.
EFFECT: high frost resistance of bricks.
1 cl, 1 tbl
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