FIELD: construction.
SUBSTANCE: blanks are formed from a composition containing a glass powder, a binder, a sodium silicate and water, by means of pressing or extrusion or casting. Blanks are previously heated at temperature of 50-100 degrees until hardening of the composition. The finished blank in the form of a unit is moulded from rectangular raw blanks of small sizes arranged in regular rows and/or layers, at the same time in a furnace the distance between blanks corresponds to 0.75-1.2 times of the linear blank size.
EFFECT: increased strength and homogeneity of large-size foamed glass, reduced rejects and minimisation of a process of mechanical treatment of foamed glass.
5 cl, 11 ex
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