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Old 08.03.2020, 23:29
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Face Masks

I received a suggestion from a fellow member to make this as a separate thread so it doesn't get lost in the megathread. I wish this could become a joint knowledge production, both suggestions and criticisms are welcomed.

Disclaimer: I do not wish to cause any paranoia to the corona situation, the post is for those who wish to be proactive in protecting themselves and the others, and be informed of options, please decide for yourself whether if it makes sense to you.

It is unfortunate that some people are trying to make profit by selling masks at rip-off prices on the internet and shops. For those who do not want to pay crazy prices for masks, or those who can’t find any, here's an inspiration:

As I’ve mentioned in the coronavirus thread, Hong Kong doctor K Kwong developed this DIY reusable mask with changeable filter, everyone can make it at home if they have a bit of sewing experience; you can as well sew it by hand if you don’t have a sewing machine, just gonna take a little bit longer.

https://www.reddit.com/r/HKGLounge/c...ed_masks_with/

"The HK Mask is composesd of a cotton mask cover and a specialized filter. The cover can be reused after decontaminating it with hot water or with ironing, while the filter, utilizing nano technology, has to be changed at a recommended rate of once every four hours. The cost of the filter is anticipated to be as low as HKD $2. K Kwong added that standard tissue paper can also be used in lieu of the specialized filter if the filters are not available, and explained that using two tissue as filter along with the cotton cover can already achieve 70% of the effect of N95 masks, filtering 70% of 0.3 micrometer particles in the air."

In his research he found out two layers of regular tissue paper has 70% of the filtration efficiency of a N95 mask; it’s recommended to change the filter every 4 hours or so as it lose its effectiveness when it gets damp.

Template and method: (bilingual chinese and english)
https://diymask.site/

How to wear it correctly: (important to ensure a tight fit)
https://www.youtube.com/watch?v=bttYhG1laJk

And of course, wearing glasses is also recommended to block some of the droplets.

The above method is of course not as effective as professional protection gears. You should decide for yourself if it’s worth it. To me the less droplets I receive, the less virus for my body to fight off.

For fashionistas, you can also use pretty fabrics.

As always, be in a good mood, eat well, sleep well, I wish everyone good health and peacefulness.

Last edited by spaghetti; 09.03.2020 at 00:12.
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Old 08.03.2020, 23:36
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Re: How to make your own protective mask

Thanks, Spaghetti. I've moved this post out of the main Corona thread.

https://youtu.be/aNjpH5lBZ8w
How to make your own Mask

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https://www.reddit.com/r/HKGLounge/c...ed_masks_with/

Hong Kong doctor K Kwong designed this changeable filter mask which if you have some sewing skills, you can make at your own home:
....
In the photo, it looks rather like a bra cup. Perhaps worth testing?

https://youtu.be/AbzITg0XSNQ
Oh, here's the convert-a-bra-cup-to-a-mask idea!

For tests, see here:
https://youtu.be/Wg-cwD4Edac
DIY mask, or mask improvement
I especially like his reinforcement measures, from 1:45 and the tests at home, from 2:44.

With that sensible knowledge, one could choose better materials to apply to the bra conversion, and to this woman's very clearly explained patterns:
https://youtu.be/X8PwwqAzD3I
3 Easy Face Masks From Cloth Bag/ How to make disposable Face mask easily at home
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Old 09.03.2020, 07:35
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Re: How to make your own protective mask

I find these have the best effect!

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Old 09.03.2020, 11:38
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Re: How to make your own protective mask

If I used one of the wife's bra cups as a mask, it would be lucky to cover my nose, and not because of the size of my nose.
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Old 09.03.2020, 17:33
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Re: How to make your own protective mask

I had a dental check up in Scotland last week and my dentist said unless you buy something absolutely super duper, most masks are useless. He told me the surgical type most people are pictured in have a lining that starts breaking down quickly once you start breathing on it.

On the outward journey I only saw 2 people in masks at Mulhouse airport and I saw none when I arrived in Edinburgh and none yesterday when I was departing Edinburgh. The flight back was only about two thirds full though.
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Old 09.03.2020, 17:39
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Re: How to make your own protective mask

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I had a dental check up in Scotland last week and my dentist said unless you buy something absolutely super duper, most masks are useless. He told me the surgical type most people are pictured in have a lining that starts breaking down quickly once you start breathing on it.

On the outward journey I only saw 2 people in masks at Mulhouse airport and I saw none when I arrived in Edinburgh and none yesterday when I was departing Edinburgh. The flight back was only about two thirds full though.
wearing masks in china is more because of the shit air that they have to breathe. And the virus has at least improved the pollution levels. Its just the beginning!
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Old 09.03.2020, 17:40
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Re: How to make your own protective mask

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I had a dental check up in Scotland last week and my dentist said unless you buy something absolutely super duper, most masks are useless. He told me the surgical type most people are pictured in have a lining that starts breaking down quickly once you start breathing on it.

On the outward journey I only saw 2 people in masks at Mulhouse airport and I saw none when I arrived in Edinburgh and none yesterday when I was departing Edinburgh. The flight back was only about two thirds full though.
Yea seems like doctors have polarized opinions, Hong Kong microbiologist, physician and surgeon Kwok-yung Yuen do suggest people to wear surgical masks, to reduce droplet transmissions, changing every 4 hours as it becomes ineffective once it's moist.

To me it works at different ways:
1. it blocks at least bigger droplets in and out
2. I won't touch my face
3. some people do back off or keep distance when they see me wearing a mask
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Old 09.03.2020, 17:46
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Re: How to make your own protective mask

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Yea seems like doctors have polarized opinions, Hong Kong microbiologist, physician and surgeon Kwok-yung Yuen do suggest people to wear surgical masks, to reduce droplet transmissions, changing every 4 hours as it becomes ineffective once it's moist.

To me it works at different ways:
1. it blocks at least bigger droplets in and out
2. I won't touch my face
3. some people do back off or keep distance when they see me wearing a mask
And 4. you can stick you tongue out at other people without them knowing it!
5. you can join the faceless hoards
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Old 09.03.2020, 17:51
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Re: How to make your own protective mask

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And 4. you can stick you tongue out at other people without them knowing it!
5. you can join the faceless hoards
Can wear my shades too so they won't even know I'm staring at them.
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Old 09.03.2020, 17:51
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Re: How to make your own protective mask

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Yea seems like doctors have polarized opinions, Hong Kong microbiologist, physician and surgeon Kwok-yung Yuen do suggest people to wear surgical masks, to reduce droplet transmissions, changing every 4 hours as it becomes ineffective once it's moist.

To me it works at different ways:
1. it blocks at least bigger droplets in and out
2. I won't touch my face
3. some people do back off or keep distance when they see me wearing a mask
Yeah, that's why doctors wear them -- to not get their patients sick with whatever they (the doctors) might have. So I think with surgical masks, it's more about not getting other people sick when you wear them rather than protecting yourself from other people. If you want to protect yourself, you have to get a respirator mask like an N95 / FFP2 or FFP3 mask.
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Old 09.03.2020, 17:52
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Re: How to make your own protective mask

My dentist said standard surgical masks are ineffective after about 15 - 20 minutes. We both used a nasal spray before and during the flights, I also habitually wipe round my nose with tea tree or a mix of tea tree and witch hazel before going on planes and have done this for about 20 years now. Back in the mid to late 90s I used to shuttle between London and Edinburgh a lot and I was always picking up something called tracheaitis (an infection of the wind pipe also referred to as "shuttle cough" which is a very dry and uncomfortable cough). Someone told me about using tea tree and it works, I swear by it.
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Old 09.03.2020, 17:54
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Re: How to make your own protective mask

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Yeah, that's why doctors wear them -- to not get their patients sick with whatever they (the doctors) might have. So I think with surgical masks, it's more about not getting other people sick when you wear them rather than protecting yourself from other people. If you want to protect yourself, you have to get a respirator mask like an N95 / FFP2 or FFP3 mask.
so all the people wearing masks are sick and they dont want to spread their sickness. That makes sense
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Old 09.03.2020, 17:56
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Re: How to make your own protective mask

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Yeah, that's why doctors wear them -- to not get their patients sick with whatever they (the doctors) might have. So I think with surgical masks, it's more about not getting other people sick when you wear them rather than protecting yourself from other people. If you want to protect yourself, you have to get a respirator mask like an N95 / FFP2 or FFP3 mask.
The HKMask inventor K Kwong claims that using two layers of tissue papers as a filter in his reusable mask design can have 70% of filtration efficiency of a N95, and you can change as often as you want, there's no way I can verify that, but worth a try if you don't wanna pay 120chf for a mask on ricardo
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Old 09.03.2020, 17:59
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Re: How to make your own protective mask

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My dentist said standard surgical masks are ineffective after about 15 - 20 minutes. We both used a nasal spray before and during the flights, I also habitually wipe round my nose with tea tree or a mix of tea tree and witch hazel before going on planes and have done this for about 20 years now. Back in the mid to late 90s I used to shuttle between London and Edinburgh a lot and I was always picking up something called tracheaitis (an infection of the wind pipe also referred to as "shuttle cough" which is a very dry and uncomfortable cough). Someone told me about using tea tree and it works, I swear by it.
Interesting, I love the smell of tea tree oil, when I was teenage it helped with my acne problems...
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Old 09.03.2020, 18:10
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Re: How to make your own protective mask

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so all the people wearing masks are sick and they dont want to spread their sickness. That makes sense
Well, I think a lot of people are wearing surgical masks because either that's all they can find and/or because they think that it's going to protect them. But maybe some are also wearing them in case they have the virus and don't know it (so they don't spread it), which really isn't a bad idea.

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The HKMask inventor K Kwong claims that using two layers of tissue papers as a filter in his reusable mask design can have 70% of filtration efficiency of a N95, and you can change as often as you want, there's no way I can verify that, but worth a try if you don't wanna pay 120chf for a mask on ricardo
Yeah, despite what I wrote above... To be honest, I think that if I was next to someone with Coronavirus (e.g. on a train), I'd rather be wearing a mask than not wearing one -- regardless of what type of mask it is.
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Old 09.03.2020, 20:50
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Re: How to make your own protective mask

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...We both used a nasal spray before and during the flights, I also habitually wipe round my nose with tea tree or a mix of tea tree and witch hazel .
What product do you use?
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Old 09.03.2020, 20:56
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Re: How to make your own protective mask

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What product do you use?
tee tree is good. but dilute it
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Old 10.03.2020, 10:44
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Re: How to make your own protective mask

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wearing masks in china is more because of the shit air that they have to breathe. And the virus has at least improved the pollution levels. Its just the beginning!
I worked in China quite a bit and wore a mask for the pollution or when outside exercising. It is really amazing how much crud you get in your nose in those polluted cities if you don't wear some form of mask.

Not sure how effective against the virus they are, but I suppose any form of protection is better than none.

FYI I ordered N95 masks from amazon.de two weeks ago and they arrived quickly.
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Old 10.03.2020, 15:14
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Re: How to make your own protective mask

I use the type of tea tree that comes in a little tube with a sponge applicator. Lately I've bought them from Boots in the UK but Body Shop used to always sell them as a spot treatment.
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Old 10.03.2020, 15:18
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Re: How to make your own protective mask

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Job done.
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