FIELD: technological processes.
SUBSTANCE: suspension contains the following, weight %: hydrolysed solution of ethyl silicate 14-17; enamel 2.2-3.2; polyethylene-polyamine 10-15; wood crushed chips 5-7; the rest - fire resistant filler. As enamel suspension contains enamels "ЭВ" or "ЭВК" or "ЭВТ", which have melting temperature of 800-1240°C. As fire resistant filler fused corundum or disten-silimonite, or powdered quartz.
EFFECT: increase of ceramic form pliancy and increase of foundries quality at the account of cracks elimination in foudries.
7 cl, 3 ex
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