- Respiratory viruses that include Coronaviruses target mainly the upper and lower respiratory tracts.
- Hence protecting the airway from the particulate matter generated by droplets/aerosols prevents human infection.
- Contamination of mucous membranes of the mouth and nose by infective droplets or through a contaminated hand also allows the virus to enter the host
- This type of mask to be used is related to the particular risk profile of the category of personnel and his/her work.
- There are two types of masks which are recommended for various categories of personnel working in hospital or community settings, depending upon the work environment:
- Triple-layer medical mask
- N-95 Respirator mask
Triple-layer medical mask
- A triple layer medical mask is a disposable mask, fluid-resistant, providing protection to the wearer from droplets of infectious material emitted during coughing/sneezing/talking.
- Disposable Triple layer face mask made of spun bond non-woven consisting of three layers.
- Use of this face mask is recommended in high risk areas like operation theatres as BFE (Bacteria Filtration Efficiency) of this mask is >95%
N-95 Respirator mask
- An N-95 respirator mask is a respiratory protective device with high filtration efficiency to airborne particles.
- To provide the requisite air seal to the wearer, such masks are designed to achieve a very close facial fit.
Tips to test 3Ply mask
- Visual Test
- Non-flammability Test
- Water-resistant Test
- Electrostatic Adsorption Test
- Light Transmission Test
- Breath Test
- Absorbency Test