CRUDE MIXTURE FOR MAKING WALL BLOCKS Russian patent published in 2014 - IPC C04B28/04 C04B14/06 

FIELD: chemistry.

SUBSTANCE: invention relates to the industry of building materials, in particular to compositions of crude mixtures which can be used to make blocks for low-height construction. The crude mixture for making wall blocks contains the following, wt %: portland cement 28.0-32.0; quartz sand 62.05-64.6; rubber crumbs sieved through sieve N 2.5 with fibre filler 4.0-6.0; asbestos 1.0-1.5; superplasticiser S-3 0.4-0.45, with water-to-cement ratio of 0.4-0.45.

EFFECT: high strength of wall blocks made from the crude mixture.

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