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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 chemical reagent capable of bleaching, e.g. oxidising agents such as sodium or calcium hypochlorite, sodium chlorite, permanganates, hydrogen peroxide, and reducing agents such as sulphur dioxide...
(PLA Fiber) A synthetic substance produced from the fermentation of plant sugars derived primarily from corn, which is then made into a fiber. Lightweight, hypoallergenic, and providing more UV...
(eyelet) - Formed by a contoured patch of zig-zag stitching, followed by a cut---a portion of which is circular. Eyelet buttonholes are usually used on heavy fabrics and/or with large buttons. A gimp...
A brassiere or bra is an item of women's underwear consisting of two cups totally or partially covering the breasts for support and modesty. In addition to the connection of the cups it has usually...
A sturdy warp-faced fabric with pronounced crosswise ribs formed by bulky, coarse, plied yarns or rubber thread. Filling is not discernible on back or face of goods. Originating in Bengal, India it...

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