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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 textile product of substantial length and relatively small cross-section and that consists of fibres (q.v.) or filament(s) (q.v.) (or both) with or without twist. NOTE: a) Assemblies of fibres or...
A metal nozzle type device with very fine holes used in the spinning process of manufactured fibers. The spinning solution is forced or extruded through the small holes to form continuous filament...
A class of chemicals including many variants used as water soluble solvents in a variety of cleaning products, latex paint, water-borne wood finishes and other applications. Members of this class...
Curvature of the warp or weft. NOTE: A fabric is said to be warp-bowed or weft-bowed, according to which set of threads is curved. Weft bow may or may not extend over the full width of the...
A weft double knit fabric in which a Jacquard type of mechanism is used. This device individually controls needles or small groups of needles, and allows very complex and highly patterned knits to be...

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