Publicado em: 26/03/2025
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The world leader in fine powder processing. |
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Q:
What
particle size range does jet milling produce?
A: Jet
milling is typically used to grind a dry powder to a range of 0.5 to 45
microns. Customers generally require smaller particle sizes to increase
the surface area of their product. Maximizing surface area can provide
the following benefits:
• Improved reaction rates for catalysts
and explosives • Improved absorption in the body for
pharmaceuticals • Improved suspension of specialty
chemicals • Improved color characteristics for
pigments • Smoother textures for pigments or
foods • Improved strength qualities of
products
These
particles sizes are very small. For a point of reference, below are
typical objects in the size range of a jet milled powder.
3–4 ?m – size of a typical yeast cell 6 ?m – thickness of the tape in a
120-minute compact cassette 7 ?m – diameter of human red blood cell 3–8 ?m – width of strand of spider web
silk 8–11 ?m – size of a ground-level fog or
mist droplet 10 ?m – width of cotton fiber 10 ?m – transistor width of the Intel
4004, the world's first commercial microprocessor 10 to 55 ?m – width of wool fiber 25.4 ?m – 1/1,000 inch, commonly
referred to as 1 mil in the U.S. and 1 thou in the UK 70 to 180 ?m – thickness of paper 100 ?m – smallest distance that can be
seen with the naked eye 100 ?m – average diameter of a strand of
human hair
To
learn more about capabilities of Fluid Energy jet mills click here.
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Established
in 1955, Fluid Energy offers both equipment and toll processing services to
the fine powder industry. Located in southeastern Pennsylvania, we
offer three (3) complete lines of jet mills for production of super fine
powders and flash drying systems that turn wet cakes into super fine
powders. Our toll processing division is a complete powder processing
facility with multiple styles of mills, blenders, and packaging equipment
available to meet your needs.
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Use
the following links for more technical information:
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