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What is "Air Permeability" - Definition & Explanation

The volume of air passing through a fabric under pressure.
The porosity of a fabric as estimated by the ease with which air passes through it. Air permeability measures the warmth of blankets, the air resistance of parachute cloth, the wind resistance of sailcloth, etc. as measured on standard testing equipment.
The permeablity, or the ease with which air passes through material. Air porous ness determines such factors as the wind resistance of sailcloth, the air resistance of parachute cloth, and the effectiveness of different kinds of air filtration media. It is also a measure of warmness, or coolness of a fabric.
The degree to which a fabric, coating or laminate allows air to pass through its construction.

Some other terms

Some more terms:

Astrakhan pelt of the newborn Persian lamb, used like fur in garments, and also the woolen fabric woven to resemble real astrakhan. The cloth is woven on a cotton base entirely covered by a pile of...
The name given to ultra-fine manufactured fibers and the name given to the technology of developing these fibers. Fibers made using microfiber technology, produce fibers which weigh less than 1. 0...
Generally applied to a type of fabric finish in which a low nap is brushed in one direction to create a soft suede-like hand on the fabric surface. End-uses include billiard table surfaces and men's'...
The act of punching holes in JACQUARD CARDS according to a pattern or DESIGN DRAFT, so that when they are set up in the LOOM, they will control the weaving mechanism and the pattern will be woven...
Jeans are trousers made from denim. Originally work clothes, they became popular among teens starting in the 1950s. Popular brands include Levi's and Wrangler. Jeans were invented in Genoa, Italy...

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