Filter Media

History of nonwoven roll media for metalworking coolant filters
This article provides a brief history on the use of nonwoven roll media for metalworking coolant filters. These filters are typically employed in machining, grinding, rolling, drawing and forming applications. They apply to all types of flatbed filters – gravity, vacuum and pressure – which have unique aspects compared to other types of filters. These …

Filtration innovations in 2020
Facemask materials, surface treatments, intelligent sensors & carbon nanotubes That the COVID-19 pandemic has been a driver for filtration industry innovation is beyond dispute, and one of the commercial inventions of the year is undoubtedly the new bicomponent spunbond nonwoven material that can serve as an effective N95 facemask filter – without the need for …

Nanofiber filter media – solutions for the full spectrum of filtration applications
NXTNANO is driven by a commitment to deliver exceptional, industry-leading nanofiber products on an unprecedented production scale. Our industry leadership is sustained through a novel, in-house developed HYPR Spinning process. NXTNANO mass produces nanofibers from a wide variety of polymers such as PU, PVDF, PAN, PES, and PI. This versatility combined with a unique ability …

High-accuracy, low-maintenance filter testing
Air Techniques International (ATI) is a global leader in the design and manufacture of specialized test equipment for HEPA filters, media, filter cartridges, respirators, and protective masks. Recently ATI is making a name for itself in the mask testing industry where its automated filter tester has brought industry-leading accuracy and efficiency to validation testing performed …

Nanofiber filtration challenges and opportunities
Earlier this year during a conversation with our sister publication, International Fiber Journal, R Vijayakumar, Ph.D., president of AERFIL, chair of the IFN peer-review program and one of our editorial advisory board members, summed up the role of fibers in filtration pretty clearly: “No fibers, no media. We can all go home. So I would …