Glossary
Uniform fabric terms: V
The vocabulary that turns up on spec sheets, quotations and tender documents, defined in a line or two. Where a term deserves more than that, it links to the guide that covers it properly.
V
- Value addition
- The percentage of a product's value created in the exporting country, used as an origin test in free trade agreements, often written alongside a change-of-tariff-heading rule. Meeting the stated percentage is what qualifies fabric for a preferential duty rate at the buyer's border.
- Viscose
- Regenerated cellulosic fiber made by dissolving wood pulp and extruding it back into fiber form. It takes dye readily, drapes softly and absorbs moisture well, and it is weaker wet than dry, which is why it is normally blended with polyester rather than used alone in uniform cloth. Read the guide on Viscose
- Viscose staple fiber
- Short-length regenerated cellulosic fiber, cut to a staple so it can be spun on the same systems as cotton and blended with polyester. It is the viscose half of a poly-viscose, and its price moves with wood pulp and caustic soda rather than with cotton. Read the guide on Viscose staple fiber
- Vortex spinning
- A refined form of air-jet spinning in which a swirl of compressed air wraps the loose fiber ends round a core of fibers that carry little or no twist. Vortex yarn is very low in hairiness, so fabric made from it tends to pill less than ring or rotor yarn. Read the guide on Vortex spinning
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