Twill (from ang. Twill) – a twill weave fabric. Examples, twill fabric – paper twill, drill, denim, gabardine, tweed and serge. When twill on the fabric are formed slanting diagonal stripes or ribs. The original image is obtained by a shift of the weaving pattern on one strand at each subsequent prokidke duck.
Diagonal direction in twill weave is a positive right and negative left. The most frequently produced fabric twill with a right diagonal direction. Twill can have a rapport three threads and more. Rapport represent a fraction in which the denominator indicates number of floors of each weft yarn within the rapport and the numerator – the main ones. Typically, each thread of the story only once a rapport stands on the right side among the weft or a weft only once among core.
For this reason, the fractional designation serge simple class is always either the numerator or the denominator is unity. Sarge 1 / 2, 1 / 3, 1 / 4, etc. is called the weft, as the face of the tissue is predominantly weft threads. Create such a maze of wool blend fabric with cotton base and wool weft. Twill 2 / 1, 3 / 1 4 / 1, called the primary, so its front side is dominated by the main thread. This interweaving of used in the formulation of fabric with a silk foundation and a cotton weft. Fabrics with twill weave with a small repeats are drawing as a fine hem; tissues with higher repeats have a larger and more hem relief. It is worth noting that, with increasing rapport twill fabric strength decreases. Therefore twill with a great rapport, forming a large scar, is used for dense tissue. Because unusual structure of twill fabrics drape well. Side of the fabric with a pronounced pattern, a diagonal stripe – it's more attractive, and most often used as a face-cloth. Twill fabric perfectly leak air, allowing the skin to breathe. They practically do not absorb moisture and dry fast. High density ensures dust-tight clothes, high wear resistance and durability, good impermeable properties. Twill fabric often used for sturdy workwear, corporate clothing, upholstery. Twill fabrics do not require special care. When care is generally recommended to wash or wash with boiling water.