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pitta口罩能防飞沫吗
更新时间: 2020-11-03 00:00:00  

pitta口罩能防飞沫,PITTA口罩材料是PU,如果以pm2.5/PM0.3(也就是N95口罩的检测标准,PM0.3是最难被捕获的颗粒物粒径)标准评价,PITTA过滤效率高于医用口罩(单层/三层无纺布口罩)、低于符合国标KN95或者美标N95的口罩。

真正能够起到病毒防护效果的是N95口罩(必须是符合gb2626-2006KN95等级标准或美国NIOSH认证N95等级,因为有某宝商家写了N95等级滤材,但是气密型不达标、无检测报告,买了白费劲),原理是无纺布过滤+静电层的捕获和吸附作用,但是不是100%能够保证1颗病毒都吸不进去。

关键词: pitta 口罩

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