Posts in category

Filter Media

International Filtration News provides ongoing coverage of filtration technology for filter media applications. Visit filtnews.com regularly to stay on top of the latest insights, issues and innovations in filter media.

Virus filtration performance of residential HVAC filters

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The N80 cometh

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New metrics for filter selection and ‘true cost’ determination

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Nonwoven filter media

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 even an ASTM procedure (F316) that describes the maximum pore size (bubble point), as well as the pore size distribution by measuring air flow at …

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HEPA Filter Test

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 a major transmission source. Social distancing, inefficient masks, and MERV 8 filters are not a viable defense when dealing with a sub-micron enemy. Without some …

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Facemasks used during 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 the age of COVID-19, the term “facemask” is, in some cases, being used generically, when there are different types of facemasks with varying degrees of …

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N95 face mask

“The U.S. has a strategic petroleum reserve. It has strategic military assets. Where are the strategic meltblown assets?” This was the question with which Forbes investment specialist William Baldwin closed a column on April 3rd, immediately after U.S. President Donald Trump had issued a blistering attack on 3M during a press briefing in Washington. 3M …

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Inge Schilderman, Bekaert

The story of Bekaert started in 1880 in Zwevegem, a smaller rural village in Belgium, where local farmers were faced with the perennial problem of cattle showing the stubborn habit of straying beyond the boundaries of their fields and onto other people’s property. Leo Leander Bekaert translated this challenge into a business opportunity, starting up …

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