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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:

Fabrics made from ultra-fine polyester filament yarns with enhanced comfort, handle, drape and aesthetics. Shin gosen fabrics are designed specifically to appeal to end users by employing a...
Narrow width between the seam line and the raw edge of the fabric. Seam allowances vary depending on where they occur on the garment and the manufacturers' specifications. Home sewing patterns...
Dry-heat fixation is a method of fixing reactive dyes printed through the ink-jet method. The dyed/printed fabric is passed through hot iron plates in lieu of steam. This method conserves water and...
Frieze is a coarse woollen cloth with a nap on one side, that was raised by scrubbing it to raise curls of fibre (French: frisť). In the 19th century rough cheap frieze was made of wool mixed with...
Traditionally a hooded fur coat made and used by northern natives, but now it can also be insulated with modern manmade materials like "thinsulate", and may have no fur at all, although usually...

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