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Contaminants come in different forms – generally: aerosols (dusts, mists, fibres, fumes, microorganisms) or gases or vapours. You can choose between the filter types to protect against one of these forms or a combination of both of them. The following table shows you the colour coding of filters according to EN 14387 – which helps you to determine which filter-type is needed for the contaminants you are dealing with Differentiation of filter types Filters are split in different classes according to their capacity (gas filters) or their efficiency (particle filters). The class of a particle filter indicates how efficient the filter is in filtering out particles: class 1: 80%, class 2: 94%, class 3: 99.95%
ハノイの安全性、シートベルト、スチールチップの靴、安全靴、ヘルメット、防毒マスク、反射服、ゴーグル、耐薬品性の衣類、化学薬品耐性の手袋,
Hanoi safety, seat belts, steel tip shoes, safety shoes, helmets, gas masks, reflective clothing, goggles, chemical resistant clothing, chemical resistant gloves
Hanoi safety, seat belts, steel tip shoes, safety shoes, helmets, gas masks, reflective clothing, goggles, chemical resistant clothing, chemical resistant gloves