154 These filter classes are minimum requirements and simply serve as a guide. It is the wearers’ responsibility to make sure the breathing apparatus conforms to the requirements in terms of hazardous materials and concentration before use! Activity Harmful substances Protection class FFP1 FFP2 FFP3 Wood processing Softwood: cutting and sanding Fine particles, wood dust ■ Hard wood (oak, beech, tropical woods, etc.): cutting and sanding Fine particles, wood dust ■ Brushing/sanding paint Fine colour particles ■ Brushing/sanding paint (paints containing chrome) Fine colour particles ■ Soluble paints containing copper/chrome/arsenic Fine paint mist ■ Construction and ancillary building industry Cement work, plastering, tiling, roofing Cement, plaster, tile or brick dust ■ Masonry: cutting, drilling, demolition ■ Asbestos: short periods of work Fibres ■ Roof insulation: glass and mineral fibres Dust and fibres ■ Bodyfillers/stopper: Grinding Dust ■ Welding Welding aluminium and stainless steel Metal and aluminium oxide fumes ■ Brazing Fumes ■ Metalwork Metal: drilling, grinding, milling, angle grinding Metal dust ■ High-alloy steels and stainless steels: drilling, grinding, milling, angle grinding Metal dust ■ Waste disposal and cleaning Refuse separation and disposal Dust, fungi ■ Medical waste disposal Bacteria, spores ■ Sweeping floors Dust (non-toxic) ■ Radioactively contaminated particles Dust ■ Agriculture Animal epidemics and treatment of animals with diseases Bacteria, viruses ■ Work with fungal spores Spores ■ Work with hay, grain and flour Dust ■ Medicine/care/health Allergies, pollen, household dust, animal fur Dust, particles, spores ■ Bacteria, viruses, infections, legionella bacteria Bacteria, viruses ■ uvex silv-Air Areas of application
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