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What is "Electret" - Definition & Explanation

A non-conductive polymeric material which can maintain a long-lived electrostatic charge. Polypropylene electret filtration fabrics conveniently combine the mechanical removal of particles with an electrostatic field, which materially increases the filtration efficiency.

Some other terms

Some more terms:

A loose, zippered jacket with fitted waist and cuffs, resembling those worn by American bomber pilots in World War II. Can be made from nylon, woven blends or leather. Usually has a fur or pile...
A panty style similar to the string bikini, but with moderate back coverage that looks more like a "v" instead of the "u" which is found in full coverage backs. Many times, the waistband in the...
Continuous filament synthetic yarns that have been altered through special treatments or modification to give them elasticity. Techniques include: twisting and untwisting, use of air jets, stuffer...
refers to the application of material such as plastic resin, wax, oil, varnish or lacquer to the surface of the fabric. Application methods include dipping, spraying, brushing, calendering or knife...
Fabrics that have been coated with some substance to make them longer lasting, or impervious to water or other liquids. The uses are numerous and coating substances or materials include oil,...

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