Mandoval-26

Insulation In Steelworks and Foundries

Good thermal insulation, low density and its natural refractory properties combine with ease of application to make vermiculite a highly suitable material for use in steelworks and foundries. Exfoliated vermiculite is used in the production of insulation shapes which are typically produced using finer grades of the mineral and sodium or potassium silicate.  It is used for hot topping molten steel to reduce heat loss from ingots and ladles and generally as a loose-fill insulator. Vermiculite concentrate when poured onto molten ‘hot metal’ exfoliates immediately and forms an insulating layer allowing the material to be transported to the next production process with a minimal loss of heat.

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