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N95 RESPIRATOR MASK

Product Introduction:

The definition of N95 is derived from US Government Executive Order 42CFR84: Permit for Respiratory Protective Devices. Respiratory protective equipment certification issued by the National Institute of Occupational Safety (NIOSH) on June 12, 1995. This series is divided into N, R, and P, and each series is divided into three levels.
N refers to a mask that can be used to protect non-oily particles. It is tested with an aerosol of 200 mg of sodium chloride, and there is no time limit.
R refers to a mask used to protect non-oily and oily particles. It is tested with an aerosol of 200 mg of dioctyl phthalate (DOP), and its use is limited to 8 hours.
P is the same grade as R, but there is no limitation on the use time.
Each series has three grades, which are divided into 95, 99 and 100, which represent the filtering level of the mask for the test object. Level 95 means greater than or equal to 95%, level 99 means greater than or equal to 99%, and level 100 means that the filterable effect must be greater than or equal to 99.7%.

  • Feature
  • Size
  • Why Choose Us?
    Medical protective mask is suitable for the protection of airborne respiratory infectious diseases by medical personnel and related staff. It is a kind of self-adhesive filtering medical protective equipment with high protection level, especially suitable for contact with airborne transmission during diagnosis and treatment activities. Or wear it for patients with respiratory infections that are transmitted by droplets at close range. It can filter the particles in the air and block droplets, blood, body fluids, secretion droplets, etc. It is a disposable product. Medical protective masks can prevent most bacteria, viruses and other pathogens. WHO recommends that medical personnel use protective masks against particulate matter to prevent virus infection in the hospital air.
    Medical protective masks meet the GB19083-2003 "Technical Requirements for Medical Protective Masks" standards. Important technical indicators include non-oily particle filtration efficiency and airflow resistance. The specific indicators are as follows:
    1) Filtration efficiency: Under the condition of air flow rate (85 ± 2) L / min, the filtration efficiency for aerodynamic median diameter (0.24 ± 0.06) μm sodium chloride aerosol is not less than 95%, which is in line with N95 ( Or FFP2) and above. Can block airborne infection factors <5μm in diameter or close contact with droplet-borne infection factors.
    2) Inspiratory resistance: Under the above flow conditions, the inspiratory resistance does not exceed 343.2Pa (35mmH2O).
    3) The sample sprayed to the mask under the pressure of 10.9Kpa (80mmHg) should not have any technical indicators such as penetration inside the mask.
    4) The mask must be equipped with a nose clip. The nose clip is made of a flexible plastic material with a length of> 8.5cm.
    5) The synthetic blood is sprayed on the mask sample at a pressure of 10.7kPa (80mmHg), and the inside of the mask should not penetrate.

    Name

    3 ply medical mask

    Surgical face mask

    Medical protective mask

    Standard (China)

    YY0969-2013

    YY0469-2011

    GB19083-2010

    Synthetic blood penetration

    Not Required

    16.0kPa120mmHg

    10.7kPa80mmHg

    Synthetic blood penetration

    Bacterial filtration efficiencyBFE

    Not Required

    95% (28.3L/min)

    No penetration

    No penetration

    95% (28.3L/min)

    (85L/min)

    Bacterial filtration efficiencyBFE

    Particle filtration efficiencyPFE

    95% (28.3L/min)

    Not Required

    95% (28.3L/min)

    30%

    1st Grade 95%

    2nd Grade 99%

    3rd Grade 99.97%

    Not Required

    Breathing resistanceΔp

    40Pa (8L/min)

    40Pa (8L/min)

    343.2Pa35mmH2O

    Breathing resistanceΔp

    40Pa (8L/min)

    40Pa (8L/min)

    (85L/min)

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