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The Glossary

Glossary of Nonwoven Terms

For more extensive definitions and information, please see the INDA and EDANA glossaries, located at the end of this page.

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ABSORPTION

The ability of a fabric to take in moisture – a very important property, which affects many other characteristics such as skin comfort, static build–up, shrinkage, water repellency and wrinkle recovery.

References for this information:

Clothing Biosensory Engineering, 2006, Pages 218-234 Advanced in Knitting Technology, 2011, Pages 287-308 Woven Terry Fabrics, 2017, Pages 19-28 High-Performance Apparel, 2018, Pages 7-32

Categories: Gases, Liquids, Miscellaneous
ADSORPTION

The process by which a gas or liquid is taken up by the surface of a material. An adsorbent nonwoven wicks and holds the gas or liquid between the fibers.

References for this information:

Edana

Categories: Gases, Liquids, Miscellaneous
AIR PERMEABILIY(AIRPERM)

The rate at which air flows through a fabric. Also referred to as BREATHABILITY. Often measured in cfm (cubic feet per minute per square foot) or cm3/sec/cm2.

References for this information:

Nanotechnology in Textiles, 2019, Pages 311-353 Solid-Liquid Filtration, 2015, Pages 1-20 Handbook of Nonwoven Filter Media, 2007, Pages 245-290

Categories: Miscellaneous, Nonwovens
ASHRAE

The acronym for American Society of Heating, Refrigeration and Air Conditioning Engineers. Most air and liquid filter manufacturers in the United States use the ASHRAE test methods.

References for this information:

Inda

Categories: Liquids, Miscellaneous, Organizations
ASTM

The acronym for American Society for Testing and Materials International. ASTM standards are used for a variety of nonwoven testing and specifications.

References for this information:

Inda

Categories: Miscellaneous, Nonwovens, Organizations
ATTENUATION

Drawing or pulling of molten polymer into a much-reduced diameter filament or fiber. This can add strength to the filament or fiber by making it less amorphous and more crystalline in structure.

References for this information:

https://www.edana.org/glossary

Categories: Fibers, Miscellaneous
BACKING

A web, nonwoven or other material that supports and reinforces the back of a product such as carpeting or wallpaper. Backings provide dimensional stability and enhance the performance of the face fabric.

References for this information:

Inda Edana

Categories: Miscellaneous, Nonwovens
BICOMPONENT FIBERS

Fibers consisting of two polymeric compounds arranged in a core-sheath (concentric or eccentric) or a side by side or a matrix or ‘islands in the sea’ configuration, chosen to ensure one component softens at a sufficiently lower temperature than the other in order to maintain the structural integrity or to create specific characteristics.

References for this information:

Inda Edana

Categories: Miscellaneous
BIODEGRADABLE

The ability of a substance to be broken down by bacteria so that it can be consumed by the environment.

References for this information:

Inda Edana

Categories: Miscellaneous, Uncategorized
BLEND

A combination of two or more fiber types in making fabrics.

References for this information:

Inda Edana

Categories: Miscellaneous