BATCH
A number or an amount of items forming a group i.e. a batch (amount) of fibers. References for this information: Edana
BALE
A compressed and bound package of fibers – a common shipping package for fibers. References for this information: Inda Edana
BACK COATING
An adhesive type substance applied to the back side of a fabric for the purpose of locking pile yarn into a carpet backing, or bonding a secondary backing to the…
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…
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…
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
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…
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.…
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…
ANTISTAT
An additive that reduces the accumulation or assists the dissipation of electrical charges that arise during the processing of fibers, fabrics and films and during the use of such materials.…