Abstract
Ceramovermiculite thermal insulation on a wollastonite bundle was obtained from chalk, diatomite and expanded vermiculite by the method of solid-phase synthesis of components. The influence of the granulometric composition of expanded vermiculite, as well as the composition of the charge on the phase composition, physical, mechanical and thermophysical properties of ceramic materials has been studied. The main crystalline phase of ceramic samples is biotite and wollastonite. The developed ceramovermiculite thermal insulation has an apparent density from 310 to 510 kg/m3 and can be operated at temperatures up to 1050 °C inclusive. The developed materials can be used as refractory thermal insulation of industrial furnaces, equipment, etc.
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