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Donaldson develops nanofiber products and nanofiber filter media for applications where sub-micron fiber diameters, high filtration efficiency, high surface area and other unique material properties are useful. For many years, Donaldson has used its patented and patent-pending nanofiber filter media in Ultra-WebŪ filters for dust collection, Spider-WebŪ filters for gas turbine air filtration, and Donaldson EnduranceTM air filters for heavy-duty engines.
Now, our proprietary nanofiber technology is available for new applications so customers in other markets can also benefit from the technology.

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Nanofiber Filter Media
Donaldson develops nanofiber filter media for new air and liquid filtration applications, the latest being industrial vacuum cleaners. Read more.
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Nanofibers in Non-Wovens and Fabrics
Donaldson nanofiber webs are the lightest weight non-woven webs made. Imagine a web only 1 micron thick! We currently manufacture tens of thousands of square meters every day for air filtration applications. FAQ
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Electrospun Nanofiber Technology
Nanofibers are an exciting new class of material for applications such as cell & tissue culture, drug delivery, and specialty textiles. Donaldson has extensive nanofiber research, pilot and production electrospinning capabilities to support co-development projects for new applications. Contact us for more information.
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