MakerMask

Research Blog

Breathable Masks: Testing Results

Key result: Quantitative testing shows that fabric masks constructed from spunbond nonwoven polypropylene (NWPP) and/or quilting cotton are breathable and can satisfy NIOSH criteria for breathability. Introduction: Breathable Masks Breathing isn’t optional, and as COVID continues and mask wearing becomes commonplace, we are becoming more aware of the air around us and every breath we […]

Adopting WHO Guidance on Fabric Masks for COVID-19

This paper describes key differences between the WHO and the CDC fabric mask guidelines, including the rationale for the inclusion of hydrophobic polypropylene materials in the WHO guidance, and was initially shared on the SSRN Preprint Server on June 26, 2020. Adopting WHO Guidance on Fabric Masks for COVID-19 Despite the many similarities between the […]

Constructing Masks for Singers

Dr. Jocelyn Songer In this guest blog post, Joan Fearnley, a soprano, a choir director, and the creator of the open source “Singer’s Mask” pattern/design, teams up with MakerMask to discuss some of the science and special considerations for masks for singers. The five sections of this post answer key questions about masks for singers: […]

Research Highlights: NWPP Filtration Efficiency from Long et al 2020

This post is the first in a series of “Research Highlights” where we discuss select data and research from the literature in the context of community mask making efforts. In this post, we take a look at the filtration and breathability data for nonwoven polypropylene (NWPP) mask materials presented in: Long KD, Woodburn EV, Berg […]

Fluid Resistance: Mask Material Test Results

New test results show that upcycled spunbond nonwoven polypropylene (NWPP) mask materials can provide high-level (ASTM Level 2) fluid resistance. MakerMask has supported the use of spunbond NWPP in homemade mask designs because of its unique combination of breathability and hydrophobicity, or water resistance. Thanks to community contributions, we were able to put the fluid […]

5 Key Considerations For Window Masks

One of the challenges with face masks is that they often cover key facial features and expressions that are important for communicating speech and emotions. For many people, this means missing out on smiles, and having a little bit more trouble understanding other people in noisy environments. For people that are deaf, hard of hearing, […]

Myths about Masks

In this guest post, our collaborators from the ROSE Project (Reusable Open Source Equipment) debunk some common myths about face masks for COVID-19 and share the facts about masks.

Mask Fabrics: Introduction to Fibers and Fabrics

How Do I Choose Fabrics for Masks for COVID-19? Since March, it seems like there has been a constant barrage of conflicting information about which fabrics are the best for masks for COVID-19. We’ve put together this crash course on mask fabrics to provide some of the fundamental concepts in fabrics and how they are relevant for our collective mask making efforts.

Homemade Mask Summit: Masks Unmasked

In June 2020, the team coordinating the Homemade Mask Virtual Summit at Tulane University interviewed Dr. Songer about the science behind masks and invited Dr. Songer to give the Keynote Address for the summit. This post contains the audio and transcripts of Dr. Songer’s Keynote Speech: “Masks Unmasked: A Look at the Science Behind Fabric […]

Mask-Making and Culture: The Social Context of What We Make

In this post, we hear from Rachel Sadd (aka Crafty), who shares with us some of her experiences and observations about the social context of making masks. This is part of a series of guest blog posts where we get a chance to hear voices and perspectives about making masks more accessible.

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