RT Report T1 Man-made Mineral Fibres: Environmental Health Criteria 77 A1 United Nations Environment Programme, A1 World Health Organization, A1 International Labour Organisation, K1 chemical K1 environmental health K1 fibre SN 92 4 154277 2 YR 1988 FD 1988 LK https://wedocs.unep.org/handle/20.500.11822/29374 UL https://wedocs.unep.org/handle/20.500.11822/29374 NO Man-made mineral fibres (MMMF), most of which are referred to as man-made vitreous fibres (MMVF), are amorphous silicates manufactured from glass, rock, or other minerals, which can be classified Into four broad groups: continuous filament, insulation wool (including rock/slag wool, and glass wool), refractory (including ceramic fibre), and special purpose fibres. DS UN Environment Document Repository RD Sep 20, 2026