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- Unit of weight for the size of a single filament* or yarn bundle. The higher the denier, the heavier (coarser) the yarn and the more resilience it will offer. Denier is expressed as the weight in grams of 9,000 meters of yarn. 9,000 meters of an 18 DPF (denier per filament) would weigh 18 grams and 9,000 meters of a 2460 yarn would weigh 2,460 grams. The higher the DPF, the greater the fiber’s resilience and its resistance to bending, but also the harsher it feels to the hand. DuPont’s Tactesse® has a denier of 12, which gives it a softer feel than the 15-18 denier more commonly used in carpet fibers.
- A system of measuring the weight of a continuous filament fiber. The lower the number, the finer the fiber and lighter the fabric; the higher the number, the heavier the fiber and thicker the fabric. Numerically, a denier is the equivalent to the weight in grams of 9,000 meters of continuous filament fiber.