FIELD: construction.
SUBSTANCE: method may be used to manufacture light-weight silica-alumina items of normal dimensions and simple cuts, designed for lining of thermal aggregates in zones with temperature of up to 1250°C, not exposed to action of melts, wear forces and mechanical shocks. The method includes preparation of a charge from chamotte, a binder and additives, shaping, drying and baking of items.
EFFECT: higher strength of light-weight heat insulation items for lining of thermal aggregates with preservation of low density and heat conductivity.
1 ex, 4 tbl
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