MuswellMetro
Queen Bee
This web link was posted on our association web site forum and shows how misleading the internet is as a few of our members today have bought 3m high-quality mask to protect them from organic gas
https://www.funnybugbees.com/pest-control/how-to-choose-the-right-respirator-filter-for-oxalic-acid
you don't need an organic acid gas mask because oxalic Acid gas does not exist below 157c (at normal air pressure) but a mask to protect you from fine oxalic dihydrate crystals in air suspension and organic compounds caused by the heating of the dihydrate, his P1 filter is no more protection than a cheep disposable cotton mask
This is normally taken as a FFP2 or better still FFP3 dust filter and if exposed for long time or regularly an organic vapor filter but you would need to be doing 40 hives or more for the vapour filter
https://www.funnybugbees.com/pest-control/how-to-choose-the-right-respirator-filter-for-oxalic-acid
you don't need an organic acid gas mask because oxalic Acid gas does not exist below 157c (at normal air pressure) but a mask to protect you from fine oxalic dihydrate crystals in air suspension and organic compounds caused by the heating of the dihydrate, his P1 filter is no more protection than a cheep disposable cotton mask
This is normally taken as a FFP2 or better still FFP3 dust filter and if exposed for long time or regularly an organic vapor filter but you would need to be doing 40 hives or more for the vapour filter
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