Manufactured mineral fibre (MMF)
Definition
Man-made fibrous materials (glass wool, rock wool, ceramic fibre) used as insulation; resembles asbestos morphologically but has different elemental composition (no iron in glass wool) and solubility, and is not subject to the same regulatory limits.
Related terms
- Asbestos
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- Fly ash
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- Phase contrast optical microscopy (PCOM)
- The WHO-recommended routine method for counting airborne asbestos fibres in occupational and environmental samples; counts fibres visible at 400-500x magnification, with confirmation...
- SEM-EDX
- Scanning electron microscopy with energy-dispersive X-ray spectroscopy. The electron beam excites characteristic X-rays from each element present in the target grain, giving...
Explained in
- Dust and Airborne Mineral ParticlesMan-made fibrous materials (glass wool, rock wool, ceramic fibre) used as insulation; resembles asbestos morphologically but has different elemental compositio...