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Pbf gas mask filters8/30/2023 ![]() In 2014 the UK Health and Safety Executive (HSE) investigated 34 old British and German gas masks. Possible risks were not properly addressed until the 2000s. No research-based information is evidently available on the asbestos exposure of contemporary gas mask wearers or current gas mask owners and wearers. Photo: Guarding against the danger of gas. Breathe calmly!” Breathing through a gas mask was hard, which is why it was recommended that people get gradually used to it through various drills. Those exposed to asbestos at work have suffered from, for example, lung cancer, to a far greater degree than other members of the population. ![]() ![]() However, the focus has been on the workers of factories producing gas masks during the Second World War whose health and causes of death were analysed in the 1970s and 1980s in Britain and Canada, for instance. The connection between the filter cartridges of old gas masks and asbestos has long been known around the world. In this blog post, we explain how we investigated the matter and what we eventually found out. In spring 2020 we decided to find out whether these suspicions were true. However, we had to scrap these plans at the last minute when we discovered that the filters of old gas masks may contain asbestos. In 2015 we made plans to place one of the civilian gas masks on display in the University Museum’s new main exhibition, The Power of Thought. The collections also include an equine gas mask dating back to the 1930s or 1940s which is of an unknown origin. The University Museum has received the masks from hospitals and University of Helsinki departments. The collections of the Helsinki University Museum include eight gas masks, of which seven are from the 1930s and intended for the civilian population. The gas mask originally belonged to the University of Helsinki Department of Pharmacology. The filter housing is made of special plastic.A civil defence gas mask from the late 1930s included in the collections of the Helsinki University Museum. The filter is used with a volume fraction of free oxygen of at least 17%. Inorganic gases and vapors (chlorine, fluorine, bromine, sulfur hydride, arsines, hydrogen phosphorus, etc.), with the exception of carbon monoxide – class of substances B Īcid gases and vapors (sulfur dioxide, hydrogen chloride, hydrogen bromide, hydrogen fluoride, vapors of sulfuric, acetic, formic, nitric, phosphoric acids, etc.) – class of substances E Īerosols (dust, smoke, fog) – a class of substances R. Organic gases and vapors with a boiling point above 65 ° C (benzene, toluene, xylene, gasoline, kerosene, organo-halides, nitro compounds of benzene and its homologs, alcohols, aniline, ketones, tetraethyl lead, etc.) – class of substances A The gas mask filter as a part of a gas mask protects against: Gases and vapors of inorganic substances, except for CO (B) Pictured old Soviet GP-7 gas mask filter (green) is just for comparison.įor cleaning polluted air from aerosol particles of highly toxic substances contained in dust, smoke or fog (P), as well as from: ![]() That is: fine mist, suspensions, smoke, bacteria, viruses. High efficiency 3rd class aerosol protection! Brand new Russian 40mm gas mask filter canister.įits most Russian (GP-5 gas mask, GP-7, PMG, PMK and other), Soviet and foreign gas masks with standard 40mm thread.
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