【影片】口罩噴酒精漏水的實驗?好多人收到

🔍實際情況:https://mgp.care/f5gmzi

這是表面張力的原理,且酒精會降低過濾效率,別噴在口罩上唷!
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originally written by 4000
根據食藥署實驗顯示,乾蒸3至5次後的醫用口罩,細菌過濾效率仍維持在99%以上;次微米粒子防護效率(PFE)則下降百分率1.3%至14.2%,防護效率會隨著加熱次數而遞減。此外,由於醫用口罩內襯的過濾材質為經靜電處理的不織布,若用噴灑酒精或其他濕式液體消毒都會降低過濾效能。

食藥署提醒,醫用口罩仍應以一次性使用為原則,電鍋乾蒸消毒法是口罩不夠時,為了增加使用次數不得已的作法;若有出入高風險場所,或口罩有髒汙、破損,一定要立即更換。

References

https://www.chinatimes.com/realtimenews/20200326002061-260405?chdtv

醫療口罩可重複用幾次?食藥署:千萬別噴酒精 - 生活

新冠肺炎疫情延燒,口罩供不應求,許多人只好重複使用,而且方法五花八門,到底醫療口罩一片可以用幾次?食藥署證實:用「電鍋乾蒸消毒法」後可以用3至5次,噴灑酒精或其他濕式消毒方式都會降低過濾效能。衛福部食藥

https://www.chinatimes.com/realtimenews/20200326002061-260405?chdtv

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