CERAMIC MASS Russian patent published in 2023 - IPC C04B35/14 

FIELD: building materials.

SUBSTANCE: invention relates to the production of building materials and products and, in particular, to the production of facing ceramic bricks. The ceramic mass, including opal-cristobalite rock - flask, crushed to a grain composition of not more than 2.5 mm, and a surfactant - superplasticizer C-3, additionally contains borax - sodium tetraborate decahydrate, in the following ratio of components, wt.%: the specified flask - 65.0-82.6, superplasticizer C-3 - 0.8-1.2, borax - sodium tetraborate decahydrate - 0.4-2.0, water - 16.2-31.8.

EFFECT: increased frost resistance, reduced water absorption.

1 cl, 3 tbl, 1 ex