Five of six face masks fail absorbency test

Surgical masks that go into the national stockpile need to pass quality checks for breathability, bacteria-filtration efficacy, water-resistance and absorbency. Wellchem Pharmaceuticals director Winthrop Wong tested six masks from various sources.

SINGAPORE - The humble three-ply surgical mask has become the hottest commodity during the coronavirus outbreak, with many buying what they can get their hands on.

But experts warn that while masks may look the same, the quality can vary wildly.

Please or to continue reading the full article. Learn more about ST PREMIUM.

Enjoy unlimited access to ST's best work

  • Exclusive stories and features on multiple devices
  • In-depth analyses and opinion pieces
  • ePaper and award-winning multimedia content