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Glossary of Nonwoven Terms
For more extensive definitions and information, please see the INDA and EDANA glossaries, located at the end of this page.
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Small particles, solid, semi-solid or liquid, suspended in the air. The diameter of the particles may vary from 100 microns down to 0.02 microns Examples are dust, smoke and fog.
References for this information:Inda
An additive that retards the deterioration of a material’s functional and aesthetic properties by reaction with the oxygen in the air.Additive, Coatings, Sprays
Dioctylphthalate (diethyhexyphospate) is a viscous liquid that is heated into an aerosol in the critical particle range to challenge a filter. The aerosol’s presence upstream of the filter and downstream are measured to determine the media’s efficiency. DOP is used to measure HEPA and ULPA media performance.