FIELD: construction.
SUBSTANCE: ceramic mass for brick production contains, wt %: clay 77.8-83.8; rejected bricks ground to specific surface of 2500-3000 cm2/g after drying 0.1-1.0; glass fibre wastes ground to specific surface of 2500-3000 cm2/g - 0.1-3.0; tuff ground to specific surface of 2500-3000 cm2/g - 15.0-21.0; glycerine 0.05-0.1. Frost resistance makes 100-110 cycles. Bricks are baked at 1000°C.
EFFECT: higher frost resistance of bricks.
1 tbl
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