MakerMask

polypropylene masks

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. Ready for more testing?  Visit our MakerMask Lab Testing Campaign for details. Introduction: Breathable Masks Breathing isn’t optional, and as COVID continues and mask wearing becomes commonplace, we are […]

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. [Update: December 2020)] The WHO updated their guidance on Fabric Masks December 1, 2020. […]

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.

3 Easy DIY Mask Tests

In an ideal world, the safety and efficacy of all of the fabrics and materials used in handmade masks for COVID-19 would be tested using the same standards and facilities used by researchers and large manufacturers. Unfortunately, very few people have access to these resources. In this post we provide instructions for three easy DIY […]

Masks for the Blind During the COVID-19 Pandemic

In this post, we hear from Matt White, who shares with use some of his experience and observations about masks for the blind. 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. With government agencies around the country and […]

Masks for Children During the COVID-19 Pandemic

In this post Hope Metzler discusses masks for children including: six considerations for making and/or buying masks for children, information about when children should and should not wear masks, and an in depth look at the alternatives to masks for infants. This is part of a series of guest blog posts where we get a […]

WHO Guidance on Face Masks Changes

Surprising New Guidance from the WHO The WHO guidance on face masks for COVID-19 has changed to include the recommendation that the general public use fabric masks in public settings where physical distancing can’t be achieved and provides specific guidance on mask layers and materials. According to the World Health Organization (WHO), the ideal fabric […]

Fabric Face Masks: Cleaning and Disinfection

Reusable fabric masks should be cleaned and/or disinfected before each use to reduce risks associated with COVID-19 AND other potentially infectious microorganisms (e.g. bacteria, viruses, and fungi). Although the general principles of mask cleaning and disinfection are the same for most fabric masks, details will vary depending on specific mask designs, features, and materials. These […]

Label Me A Face Mask: FDA Labeling Requirements

Almost everything comes with a label, from food to clothing to medicine to medical devices, and according to the FDA, face masks and cloth face coverings should come with labels too. More specifically, the Emergency Use Authorization for Face Masks released by the FDA April 24, 2020, includes labeling requirements for masks that are being […]

The Big Four: Criteria for Fabric Mask Materials for COVID

Ésta immersión profunda mira al criterio “Cuatro Grande” evaluado en evaluaciones preliminarias de materiales de máscaras comunitarias: cáracteristicas de los materiales, respirabilidad, repelencia al agua, y opcións para disinfección. Más especificamente, enfocamos en polipropileno no tejido (PPNT), que está usado comunmente para máscaras comerciales. A pesar de que PPNT ideal de grado médico no está disponible para uso comunitario, PPNT está disponible comunmente en diferentes pesos y grados para otros usos del hogar y/o otros propósitos comerciales, como bolsas reusables de compras. Aquí tomamos una mirada más profunda a los 4 criterio peliminares considerado cuando evaluando fuentes potenciales de PPNT.

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