Hot Topics
COVID-19 UPDATE: Lidl to install hospital-grade air filters in all U.S. stores, aims to prevent spread of COVID-19
With COVID-19 having an impact worldwide, International Filtration News is tracking stories relevant to the filtration industry. Filtration media for facemasks and respirators are at the forefront of the COVID-19 response effort, and meeting the demand for these types of filter media is proving to be a challenge. As manufacturers of filter media and others …
The dark art of whisky distillation and clean water for the Highlands
Did you know? In Scotland and Canada, it’s “whisky” … But in the Ireland, the U.S. and elsewhere, it’s “whiskey” … So while we’re not beyond the occasional typo here at IFN, in this case there is a method to our madness. The filter practices and processes of whisky manufacturers are often closely guarded secrets …
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 total annual sales of over $90 billion – can be identified as being arguably the industry’s most influential: • 3M • Danaher Corporation • Cummins …
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 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 …
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 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 …