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Face weight:
The total weight of the face (above the backing) yarns in the carpet.
Fibre:
A unit of matter, either natural or man-made, that forms the basic element
of carpet. The term refers to units that can be spun, plied or air-tangled
into a yarn and can be processed by weaving, tufting, knitting or fusion
bonding into a carpet. Important properties include recovery, bulk, cover,
uniformity, durability, soil resistance, luster, dyeability and denier.
Fibre size:
Refers to the denier per filament (dpf ) or thickness of a filament. See
also "Yarn Size."
Frieze:
1) A yarn that has been very tightly twisted to give a rough or nubby appearance to the finished carpet pile. 2) A cut-pile carpet made of highly twisted yarns normally plied and heatset. A kinked or curly yarn effect is achieved.
Fusion bonding:
Fabrication of carpet for 6" or modular tile. It uses a thermoplastic
process that implants yarn in a liquid vinyl compound to two backing materials
in a sandwich configuration. A knife splits the sandwich to create two
carpets simultaneously. Spun staple yarn is used in this process, and
only cut pile carpets are produced.
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