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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 soft yet firm, sheer fabric of plain weave, Generallymade of combed hard-twisted single yarns, although plyyarns are alsoused.About the samenumber of yarns inwarp as in filling. Has clinging...
A process in which a series of interlooped stitches are inserted along the length of a pre-formed fabric, an array of cross-laid yarns or a fibre web. Proprietary systems include Arachne, Malipol and...
The longitudinal edges of a fabric that are formed during weaving with the weft not only turning at the edges but also passing continuously across the width of the fabric from edge. NOTE: Selvedges...
A kind of jacket. Defined by the dictionaries as simply 'a kind of garment', the faiji was possibly a long over-garment without sleeves, or with very short sleeves, open in front and worn like a coat...
Comes from the Angora goat, one of oldest animals known to man, it is two-and-one-half times as strong as wool and outwears it. Come from South Afnca. Western Asia. Turkey, and California. Oregon....

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