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ffp1 KP100 medical mask in USA

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Table 1Mask Classifications in USA, Europe, and China [4]. US NIOSH Europe China (GBT 32610 2016) Letter Number Symbol number Symbol Detection by Sodium oxide Detection by oil N 95 P1 FFP1 80 KN90 KN95 KN100 90 95 99.97 N/A R 99 P2 FFP2 94 KP90 KP95 KP100

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The number 100 indicates 99.97% air particles will be filtered out, In Europe, P1 or FFP1 means 80% of air particles will be filtered out, P2, or FFP2, 94%, and P3, or FFP3, 99.95%, as shown in Table 1. Table 1Mask Classifications in USA, Europe, and China . US NIOSH The communication between medical team and patient is a process of face

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En comparación con las máscaras quirúrgicas médicas largas y las máscaras médicas ordinarias, las máscaras protectoras médicas se adaptan bien a la cara del usuario, pueden filtrar partículas en el aire y bloquear contaminantes como gotas, sangre, fluidos corporales y secreciones La eficiencia de filtración de productos no grasos Las partículas pueden alcanzar el 95%.

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