Shortly after Spiess and his folks moved forward in February, they got about the business of creating templates for building the masks. So now Ruthie had the design and the fabric, but she needed ...

The material from a non-woven polypropylene (with a No. 5 recyclable label) reusable shopping bag can be used to make an effective face mask filter.

They're made of cotton. Or polyester. Or paper. Or polypropylene. Here's what researchers say about the effectiveness of the different types of face masks in use during this pandemic.

This mask had two layers of polypropylene, a soft easy-to-clean synthetic fabric. Polypropylene is one of the most popular materials for masks because viruses and bacteria can't live on the fabric ...

Researchers ranked more than a dozen masks on how well they might protect wearers and those around them from COVID-19.

These reliable brands offer comfy and effective cloth and fabric face masks to help slow the spread of COVID-19. Plus, a doctor explains how to get the right fit.

The WHO says fabric masks can help prevent the spread of the novel coronavirus, but they should have three layers to be effective.

Rebel provides melt-blown polypropylene for the masks that Allen Edmonds makes for Froedtert Hospital and Children's Hospital of Wisconsin. A surgical-grade material is used for Ascension's masks.

The World Health Organization is now calling for nations to encourage the general public to wear fabric masks in areas where there continues to be intense spread of the novel coronavirus – and ...

Surgical masks filter particles well, but their fit can be improved Most surgical masks are built from nonwoven polypropylene layers, the same material used to make top-tier N95 respirators.