APJO COVID-19 FAQs

"COVID-19 FAQs" is a one-stop platform that helps you keep abreast of the latest developments in all fronts" said Editors-in-Chief, Dennis Lam & Jost Jonas

5.1.1 Mask selection

 

5.1.1.1 Surgical Masks  vs N95 Respirators

5.1.1.2 Standard N95 Respirators vs Surgical N95 Masks

  • Larger particles: captured by filter fibers directly when they impact or intercept the fibers
  • Smaller particles: constantly bombarded by air molecules, causing them to deviate from the air stream and come into contact with a fiber
  • Oppositely charged particles: attracted to charged fiber 

* All particles that come into contact with a fiber will stay attached to the fiber firmly, thus filters can capture particles smaller than the pore size.

5.1.3 How to Wear and Take-off Surgical Masks Properly?