Questions tagged [personal-protective-equipment]

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4
votes
3answers
2k views

Does a KN95 that says 'non medical' helps to protect against COVID-19?

I saw this type of face masks on a 'building tools' store (like home depot), and on the label said, among other things in chinese and english, non medical. In this KN95 Masks Explained mentions ...
2
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0answers
28 views

how to test the effectiveness of a mask concept, that creates artificial distance

Distance is seen as a very good precaution against COVID-19. If we all could breath in at a hight of say 2 meters and breath out a a hight of 50 cm, then we could stand right next to each other and ...
0
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0answers
13 views

Sterilizations of disposable face mask so that it can be reused many times? [duplicate]

The bag says "not sterilized, 100% polypropylene, two layers of non-woven fabric, disposable" How can I sterilize the mask so that I can use the mask as many times as possible, that is without ...
1
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1answer
74 views

If tissue and kitchen paper masks achieve 90% of the filtering function of a surgical mask, why the CDC is not recommending them?

The university of Hong Kong-Shenzhen Hospital said homemade mask, made using 2 kitchen and 1 tissue paper, achieved 90% of the filtering function of surgical masks. That's a very good approximation ...
2
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1answer
71 views

Are (transparent) face shields without masks/respirators reasonably effective at preventing respiratory illness transmission?

You can see "splash guards" used by (almost) everyone in this video of a German tracing center, but (almost) nobody wears masks there. (Well, one spokesperson did wear mask and no shield.) So are ...
1
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1answer
66 views

Approximately, how much of protection one gets by using a face-mask-shield and a surgical-mask?

We know that face-mask-shield don't protect against droplet nuclei which float in the air, so one could end up infected, with COVID-19, even when wearing them. However the face-mask-shield plus a ...
2
votes
1answer
63 views

Are hand-made mask using HEPA safe to breath through?

As we know, there are no N95, N99 nor N100 masks anymore. In this YouTube video A Doctor Explains How to Make the Safest Face Mask, a doctor, and then his wife, talk about 'the safest face mask' hand-...
0
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1answer
75 views

Alternatives other than face-mask-respirators for protection against COVID-19 [closed]

Could someone please tell me if these alternatives can also protect one against being infected by COVID-19 virus, when being outside (in grocery stores, markets, etc)? If yes, how much of protection ...
0
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0answers
32 views

Why aren't homemade face shields more popular?

I have seen many youtube videos from non-English speaking countries (mostly in Asia) that show how to make a home-made face shield, to prevent COVID transmission. They seem to be much used by health ...
2
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1answer
59 views

Can regular people make personal protection devices which are effective? [duplicate]

Every hospital I know of has a serious shortage of masks, not just N95 masks, but even just OR masks. The CDC just recommended a bandana if you don't have a mask. I was wondering if people can make ...
9
votes
5answers
355 views

Which DIY mask is most effective?

There have been a number of do-it-yourself (DIY) mask designs released and tested by both universities and other institutions on account of world wide Personal Protection Equipment (PPE) shortages. ...
3
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2answers
109 views

How does a sanding mask compare with a disposable medical mask?

[Moderator Edit: I'm reopening this question by request from third parties because medical staff around the world are being forced to use masks such as these.] How does a sanding mask compare with a ...