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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:

Two series of pairs of chips that show increasing contrast within pairs, and are used visually for comparing the differences in colour of textile specimens or the degrees of staining of transfer...
The process of dyeing finished garments. Benefits are that colour decisions can be left until the last minute (reducing manufacture of unwanted merchandise) and you only dye the fabric in the garment...
Referring to the arrangement or character of the yarns on the surface of the fabric. Often used to describe fabrics with surface interest the result of using novelty yarns or novelty weaves such as...
Historically, it was made from an ordinary grade of wool that often had shoddy re-used or remanufactured wool mixed in. A twill weave where the weave is concealed. Mackinaw is heavily fulled or...
a) Fabric A length of finished fabric of less than a customary unit (piece) length. b) Finishing 1. Each passage of a length of fabric through a machine, for example in jig-dyeing. 2. A joint...

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