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owl:sameAs
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dbprdf-label
facets
http://dbpedia.org/resource/inference/rules/dbpedia#
http://dbpedia.org/resource/inference/rules/opencyc#
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http://www.ontologyportal.org/inference/rules/WordNet#
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ldp
oplweb
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About:
Connex-COXT939127
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An Entity of Type :
http://www.openkg.cn/COVID-19/goods/class/C20703032
, within Data Space :
wasabi.inria.fr
associated with source
document(s)
Type:
NamedIndividual
FFP2_respirator
New Facet based on Instances of this Class
Attributes
Values
type
NamedIndividual
FFP2_respirator
label
Connex-COXT939127
Filtration efficiency
对于油性和非油性颗粒物过滤效率大于94%
brand
Connex
Matters needing attention
超过口罩有效期后,其过滤材料的过滤效率及防护性能会降低
长期佩戴口罩会鼻粘膜变得脆弱,降低抵抗力
使用过期的口罩无法有效阻隔病毒病菌的感染
卸除口罩时尽量避免触摸口罩向外部分
不可使用加热等方法消毒
不可使用消毒剂消毒
不可戴反
不能两面轮换戴
不能清洗
佩戴口罩前先洗手
佩戴口罩后避免触摸口罩
在佩戴时检查气密性
触摸口罩前、后都要彻底洁手
选择合适尺码的口罩
长时间佩戴会造成呼吸困难等不适
Save method
单独存放
悬挂在洁净、干燥通风处
放置在清洁、透气的纸袋中
标识口罩使用人员
disadvantages
呼吸阻力较大
昂贵
whether protect against covid-19 virus
是
Execution standard
EN:149:2009
advantages
气密性好
过滤效率高
防飞沫
Shelf life
5年
Change conditions
佩戴2-4小时
呼吸阻力增大
损坏
潮湿
被污染
Faceted Search & Find service v1.13.91 as of Mar 24 2020
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