TextileGlossary.com

What is "Bulking" - Definition & Explanation

A technique of altering yarns to make them fluff, curl, or crimp up to give them a bulked appearance. High bulk yarns are sometimes made by combining high shrinkage staple components with low shrinkage fibers. Differs from textured yarns since bulked yarns are made from staple fibers while textures yarns are made from continuous filaments. Bulked yarns give soft, pleasant, fluffy, opaque looks and hands to many woven and knit fabrics.
Processing yarns, to fluff them up and give more coverage with the same weight. This is usually accomplished by crimping the fiber.

Some other terms

Some more terms:

A double-faced fabric woven with a tightly twisted spun warp and two sets of soft spun filling yarns. The fabric is thick and warm and its filling yarns are frequently napped to produce a soft...
The process of dyeing yarns prior to weaving or knitting fabrics. Generally used for patterned fabrics or stripes but poplular for knitwear. Two general methods are Hank (for bulkier yarns -...
The hair of the Angora goat. The long, fine fibers are so smooth and soft that they must be combined with other fibers in weaving.The hair of the Angora rabbit. The fine, lightweight hair is warm,...
(also known as polyolefin and Olefin) - A manufactured fiber characterized by its light weight, high strength, and abrasion resistance. Polypropylene is also good at transporting moisture, creating a...
A unicellular, natural staple fiber hitch is the seed hair of plants of the genus Gossypium. It is almost pure cellulose and a distinguishing characteristic is its irregular spiral configuration. The...

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