Filter Media
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Why is meltblown the material of choice for PPE and facemasks?
Meltblown has risen from a commodity nonwoven material for select applications to front-and-center in the response to the COVID-19 pandemic. Meltblown is created via an integrated extrusion process. It utilizes …
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The Big Six – who are the major customers for nonwoven filter media in 2020?
The filtration industry is notably fractured in terms of its supply chain, as well as the end-uses for all types of filter media. Six multi-billion-dollar companies, however – with combined …
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Filter media pore size comparison between porometry and glass bead challenge testing
Porometry has been used extensively for more than 25 years to assess pore size distributions of nonwoven filter media and their relation to filtration performance (Refs. 1, 2). There is …
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High-efficiency filters and laminar air flow systems needed in the battle against COVID-19
At the time of this writing, 800,000 people around the world have died from COVID-19. There have been 22 million reported infections. There is growing evidence that small aerosols are …
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Filtration in the age of COVID-19
There are many different facemasks in the market today – from do-it-yourself cut and sew barrier masks to highly engineered products that require testing and certification to be used. In …