mineral wool(redirected from Silicate cotton)
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An inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and a filtering material.
(Elements & Compounds) a fibrous material made by blowing steam or air through molten slag and used for packing and insulation. Also called: rock wool
a woollike material for heat and sound insulation, made by blowing steam or air through molten rock.