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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:

Silk in a crosswise rib (plain or twill weave). Has brightly colored stripes in the filling direction. Often black warp. The color effects are usually startling or bizarre. Mostly produced in India....
A lightweight, wind resistant, and water resistant plain weave fabric. Large rib yarns stop tears without adding excess weight to active sportswear apparel and outdoor equipment such as sleeping bags...
Dyes for cotton and other cellulosic fibres that actually react to form covalent bonds with cotton to produce a new chemical (e.g. Red cotton). They require large amounts of chemicals (salt and...
Unbleached muslin bed sheeting-sometimes called Kraft muslin-used as a base fabric on which a chenille effect is formed by application of candlewick (heavy-piled yarns) loops which are then cut to...
A unique process of circular knitting, done on either Santoni or Sangiacomo knitting machines. This circular knitting process essentially produces finished garments with no side seams, which require...

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