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Frequently Asked Question - Definition of Common Cleanroom Terms
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ULPA(Ultra Low Penetration Air) Filters
A throwaway, extended medium, dry type filter in a rigid frame,
having a minimum particle collection efficiency of 99.999% ( i.e,
maximum particle penetration of 0.001%) for particles in the size
range of 0.1 to 0.2 µm, when tested in accoradance with the
methods of IEST-RP-CC007 |
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