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medical face mask
以顾客为上帝、技术质量为核心、诚信经营为本的“山友精神”服务于社会。
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type
type i medical face masks should only be used for patients and other persons to reduce the risk of spread of infections particularly in epidemic or pandemic situations. type i masks are not intended for use by healthcare professionals in an operating room or in other medical settings with similar requirements.
medical face mask (en14683:2019 type i)
bacterial filtration efficiency (bfe ) % ≥ 95%
differential pressure (pa/cm2) < 40
splash resistance pressure (kpa) not required
