MIXTURE FOR HEAT INSULATION OF LIQUID METAL SURFACE Russian patent published in 2010 - IPC B22D41/00

Abstract RU 2405654 C1

FIELD: metallurgy.

SUBSTANCE: mixture contains expanded vermiculite, saw dust, refractory powder and surface active substance at the following component ratio, wt %: expanded vermiculite 60-65, saw dust 29.9-37.7, refractory powder 2-5, surface active substance 0.1-0.3. Mixture has bulk density of 150 to 350 kg/m³.

EFFECT: providing heat-insulating effect till metal pouring is completed, and maintaining reference height of mixture layer.

6 cl

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RU 2 405 654 C1

Authors

Mikheenkov Mikhail Arkad'Evich

Dates

2010-12-10—Published

2009-11-05—Filed