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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:

Leather that is dyed right through during tanning and has no coating on the top of the hide. Only the top quality hides are used for this type of leather and they retain natural variations such as...
A cotton, wool, and even synthetic fabric of a sateen or twill construction with extra fillings for long floats. Thankfully, it does not resemble true chinchilla fur. It has small nubs on the surface...
A yarn used for knitwear in the form of a tape with a large width-to-thickness ratio. Such yarns are typically formed by weaving or knitting. Knitted tape yarns are often made on circular knitting...
A stiff-finished heavily sized fabric of cotton or linen used for interlinings in garments, for stiffening in millinery, and in bookbinding. Softens with heat. Can be shaped while warm. Name from...
A nonwoven fabric in which the fibres are held together by a bonding material. This may be an adhesive or a bonding fibre with a low melting point. Alternatively, the material may be held together by...

Companies for Electret:


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