FIELD: construction.
SUBSTANCE: invention relates to the production of building materials and products, in particular to the wall (building) and road (bridge) clinker brick, produced on the basis of stone-like clay raw materials, argillite and its varieties. Ceramic mass for the clinker bricks manufacturing, including argillite and water, contains argillite crushed to a size of less than 1.0 mm with 0–0.5 mm fraction content of not less than 80 %, and additionally apatite concentrate at the following ratio of components, wt%: said argillite is 76.5–83.5, apatite concentrate is 0.5–5.5, water is 16.0–18.0.
EFFECT: increase in articles strength and reduction in water absorption.
1 cl, 1 tbl
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