MIXTURE FOR MAKING CERAMIC BRICK Russian patent published in 2020 - IPC C04B33/04 

FIELD: construction.

SUBSTANCE: invention relates to construction materials and can be used in making ceramic construction materials, for example, for bricks. Mixture for making ceramic bricks contains clay, granulated blast-furnace slag, glass microspheres with a particle size of 15–200 mcm and fiber based on PAN-fiber thermally treated at temperature of 3,000 °C, with following ratio of components, wt%: clay 65–80; granulated blast–furnace slag 16–29; said glass microspheres 3.9–5.8; said PAN fiber-based fiber is 0.1–0.2.

EFFECT: low water absorption of bricks.

1 cl, 3 tbl