Man-made mineral fibres
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Machine made mineral fibres (MMMF) is a generic term for a range of fibrous amorphous silicates manufactured from glass, rock, furnace slag and occasionally other minerals.
Broadly speaking there are four classifications of MMMF including:
continuous filament (glass wool)
insulation fibre – stone wool (rock wool or slag wool)
ceramic fibre (or refractory fibre) and