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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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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
AIRLAYING, AIRLAIDPROCESS

A nonwoven web forming process that disperses fibers into a fast-moving air stream and condenses them onto a moving screen by means of pressure or vacuum.

Categories: Nonwovens
ARAMIDFIBER

A synthetic fiber that is part of the NYLON (POLYAMIDE) family.  Aramid is short for Aromatic Polyamide.  META-ARAMIDS (NOMEX) exhibit very high heat resistance and PARA-ARAMIDS (KEVLAR) exhibit very high strength as well as high heat resistance.  Other brand names include TWARON, TECHNORA, and HERACRON.

References for this information:

Handbook of Nonwoven Filter Media, 2007, Pages 103-194 Inda

Categories: Fibers, Nonwovens
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
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
BONDING

Conversion of a fibrous web into a nonwoven by chemical (adhesive/solvent) means or by physical (mechanical or thermal) means. The bonding may be distributed all over (through or area bonding) or restricted to predetermined, discrete sites (point or print bonding).

References for this information:

Inda Edana

Categories: Fibers, Nonwovens
BREATHABILITY

See AIR PERMEABILITY.

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
CARDED NONWOVEN

Made from a variety of fibers, including rayon and polyester, with ranging fiber lengths. This is done to provide fabric integrity.

References for this information:

Applications of Nonwovens in Technical Textiles, 2010, Pages 103-119 Inda Edana

Categories: Nonwovens
COFORM

Application of a liquid or powder to one or both surfaces of a fabric, which is followed by drying and winding.

References for this information:

Inda

Categories: Miscellaneous, Nonwovens
COVERSTOCK

References for this information:

Inda Edana

Categories: Nonwovens