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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:

Any single filament, generally a coarser manufactured fiber. Monofilaments are generally spun individually, rather than being extruded through the spinneret in groups of filaments. Cross-sections may...
Combining of two or more types of staple fibers in one yarn to achieve color mixtures such as heather, unusual dyeing variations, or better performance characteristics. Blends of natural and man-made...
A double-knit fabric in which the rib wales or vertical rows of stitches intermesh alternatively on the face and the back of the fabric. Rib knit fabrics have good elasticity and shape retention,...
A substance that is added to a textile (uncoloured or coloured) to increase the apparent light reflectance in the visible region by the conversion of ultraviolet radiation into visible light and so...
Basic internal structure or skeleton of an upholstered piece. Kiln-dried hardwood is best for durability in wooden frames, but often engineered wood products are used. Metals are also used in marine...

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