1. Frequently Asked Questions and Answers relating to 3M™ N95 Respirator

3M Hong Kong


  • Frequently Asked Questions and Answers relating to 3M™ N95 Respirator

    2020-01-06
    • 1. What is a N95 respirator?

      “N95” is one of the standards for particulate filtering respirator set by the US NIOSH. A NIOSH-approved N95 respirator filters at least 95% of airborne particulate contaminants.

    • 2. Can 3M™ N95 respirator provide effective protection against infection?

      Only when properly applied can 3M™ N95 respirator be expected to reduce exposure to airborne particulate contaminants. Healthcare professionals should use those respirators that are also fluid resistant to enhance protection in hospital settings.

    • 3. What are the correct procedures in applying 3M™ N95 respirator?

      • Those with eyeglasses should take them off first

      • Pre-stretch the straps before placing the respirator on the face (for #8210)

      • With the nosepiece up, position the respirator over your nose and mouth

      • Pull the top strap over your head, position it at the top back of your head and above the ears

      • Pull the bottom strap over your head and position it around the neck below the ears

      • Move your fingertips from both hands down both sides of the nosepiece and mould it to the shape of your nose to seal air off effectively. Check the respirator-to-face seal for each wearing:

      o Positive-Pressure Seal Check (for respirator without exhalation valve): Place both hands completely over the respirator and exhale. The respirator should bulge out slightly. If air leaks at the respirator edges, readjust the nosepiece, the straps or the position of the respirator.

      o Negative-Pressure Seal Check (for respirator with exhalation valve): Place both hands completely over the respirator and inhale deeply. The respirator should cave in slightly. If air enters at the respirator edges, readjust the nosepiece, the straps or the position of the respirator.

    • 4. What cautions should be taken before wearing 3M™ N95 respirator?

      • The hygiene of your face and hands;

      • Your personal health conditions (please refer to the answer of Question 7);

      • Check and make sure that the respirator is intact, check its expiry date and if the packing is sealed properly.

    • 5. Are there different sizes available on 3M™ N95 respirator?

      The respirator has one standard size only. If you have any particular requirements on the sizes of 3M respirators, please contact our sales representatives.

    • 6. Where can we purchase 3M™ N95 Respirator?

      3M™ N95 Respirator can be purchased at below online stores and various hardware stores and home appliance shops.

      Builderhood.com ( https://tinyurl.com/r3zlffb)

      Henry Chemical eStore (https://tinyurl.com/qk6l2ap)

      HKTV Mall (https://tinyurl.com/wueacyb)

    • 7. Are there any people who are not suitable to wear 3M™ N95 Respirator?

      Anyone with the following conditions is not suitable to wear 3M™ N95 Respirator or have to consult medical advice before wearing it:

      • Suffering disease on respiratory system, asthma or emphysema, etc.;

      • In pregnancy;

      • Discomfort occurs after wearing respirator, e.g. breathing difficulties, dizziness etc.

    • 8. Is there any circumstance that it’s inappropriate to wear N95 respirator?

      Please do not use the respirator in atmospheres containing less than 19.5% oxygen.

    • 9. Are children suitable to wear 3M™ N95 respirator?

      Since 3M™ N95 Respirator is designed for occupational use, its size may not be applicable to children’s faces and will affect the effectiveness. It is therefore not suggested for children to use 3M™ N95 respirator till further notice.

    • 10. What should be taken heed of when storing 3M™ N95 respirator?

      • Avoid storing the respirators in hot and humid place

      • The environment and containers for storage should be clean and neat

      • Record the purchase date and keep the receipt

    • 11. How to dispose the used N95 respirators?

      Avoid direct contact with the used respirators. Put them in a plastic bag which is carefully wrapped up and disposed in a covered refuse container.

    • 12. How long can we wear the respirator? When should a new respirator be changed?

      It depends on different situations and environments. However, if breathing difficulty or any distress occurs, the wearer should immediately leave the hazardous area (such as the ward or the place with polluted air) and then take the respirator off.

      Respirators need to be changed in one of the following situations:

      • If respirator is soiled by such body fluid as blood or spittle;

      • If respirator is damaged.

    • 13. What kind of masks are recommended for daily use?

      Surgical mask is suggested to protect the liquid splash. Respirator is being used to protect airborne particulate contaminant. Table below lists the use of different masks for reference.

       

        Nexcare™ Earloop Mask/ Surgical Mask 3M™ PM2.5 Pollution & Haze Respirator 3M™ N95 Particulate Respirators Nexcare™ Comfort Mask
       
      Nexcare™ Earloop Mask/ Surgical Mask
      3M™ PM2.5 Pollution & Haze Respirator
      3M™ N95 Particulate Respirators
      Nexcare™ Comfort Mask
      Use To protect against liquid splash To protect against airborne particle To protect against airborne particle Keep breathing air warm
      Caution Face fit is not possible, masks fit loosely over the face leaving large gaps between the mask and the wearer Need to be aware of respirator fit, fit test is recommended Need to be aware of respirator fit, fit test is recommended Particle filtration is not evaluated
      Standard Bacterial Filtration Efficiency,
      Particle Filtration Efficiency
      GB2626-2006 KN95 standard (China) NIOSH N95 standard (US) Nil

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