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Based on this comparison, it is reasonable to consider China KN95, AS/NZ P2, Korea 1st Class, and Japan DS2 FFRs as. “equivalent” to US NIOSH N95 and.
Japan industrial filters make particle-blocking masks beyond .
21 Apr 2020 . TOKYO -- Yamashin-Filter, a Japanese manufacturer of filters for construction machinery, has developed a high performance replaceable face.
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How South Korea Solved Its Face Mask Shortage .
1 Apr 2020 . A street in Seoul, South Korea, last week. Initially in short supply, face masks became more widely available after the government purchased a.
S. Korean researchers develop washable mask filters using .
16 Mar 2020 . '20번 빨아도 성능 그대로' 마스크 필터 나왔다 Demand is through the roof for protective face masks in South Korea. as fears linger over how.
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Face masks during the COVID-19 pandemic - Wikipedia
The wearing of face masks during the COVID-19 pandemic has received varying . An electret filter increases the chances that smaller particles will veer and hit a fiber, . The Taiwanese, South Korean, and Japanese governments have also . to become the second Canadian manufacturer of N95 masks, with a contract to.
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South Korea developed washable and reusable nano-fiber .
28 Mar 2020 . Researchers developed reusable and washable face mask nano-filters that maintains superior filtration efficiency even after being washed.